Source: Noto CJK

U+325B Circled Number Thirty One

U+325B was added to Unicode in version 3.2 (2002). It belongs to the block U+3200 to U+32FF Enclosed CJK Letters and Months in the U+0000 to U+FFFF Basic Multilingual Plane.

This character is a Other Number and is commonly used, that is, in no specific script. The codepoint has the Numeric value 31.

The glyph is a Circle composition of the glyphs Digit Three, Digit One. It has a Wide East Asian Width. In bidirectional context it acts as Other Neutral and is not mirrored. In text U+325B behaves as Ideographic regarding line breaks. It has type Other for sentence and Other for word breaks. The Grapheme Cluster Break is Any.

The Wikipedia has the following information about this codepoint:

31 (thirty-one) is the natural number following 30 and preceding 32. It is a prime number.

Representations

System	Representation
Nº	12891
UTF-8	E3 89 9B
UTF-16	32 5B
UTF-32	00 00 32 5B
URL-Quoted	%E3%89%9B
HTML-Escape	㉛
Wrong windows-1252 Mojibake	ã

Elsewhere

Complete Record

Property	Value
Age	3.2 (2002)
Unicode Name	CIRCLED NUMBER THIRTY ONE
Unicode 1 Name	—
Block	Enclosed CJK Letters and Months
General Category	Other Number
Script	Common
Bidirectional Category	Other Neutral
Combining Class	Not Reordered
Decomposition Type	Circle
Decomposition Mapping	Digit Three Digit One
Lowercase	✘
Simple Lowercase Mapping	Circled Number Thirty One
Lowercase Mapping	Circled Number Thirty One
Uppercase	✘
Simple Uppercase Mapping	Circled Number Thirty One
Uppercase Mapping	Circled Number Thirty One
Simple Titlecase Mapping	Circled Number Thirty One
Titlecase Mapping	Circled Number Thirty One
Case Folding	Circled Number Thirty One
ASCII Hex Digit	✘
Alphabetic	✘
Bidi Control	✘
Bidi Mirrored	✘
Composition Exclusion	✘
Case Ignorable	✘
Changes When Casefolded	✘
Changes When Casemapped	✘
Changes When NFKC Casefolded	✔
Changes When Lowercased	✘
Changes When Titlecased	✘
Changes When Uppercased	✘
Cased	✘
Full Composition Exclusion	✘
Default Ignorable Code Point	✘
Dash	✘
Deprecated	✘
Diacritic	✘
Emoji Modifier Base	✘
Emoji Component	✘
Emoji Modifier	✘
Emoji Presentation	✘
Emoji	✘
Extender	✘
Extended Pictographic	✘
FC NFKC Closure	Circled Number Thirty One
Grapheme Cluster Break	Any
Grapheme Base	✔
Grapheme Extend	✘
Grapheme Link	✘
Hex Digit	✘
Hyphen	✘
ID Continue	✘
ID Start	✘
IDS Binary Operator	✘
IDS Trinary Operator and	✘
Ideographic	✘
Indic Mantra Category	—
Indic Positional Category	NA
Indic Syllabic Category	Other
Jamo Short Name	—
Join Control	✘
Logical Order Exception	✘
Math	✘
Noncharacter Code Point	✘
NFC Quick Check	Yes
NFD Quick Check	Yes
NFKC Casefold	Digit Three Digit One
NFKC Quick Check	No
NFKD Quick Check	No
Other Alphabetic	✘
Other Default Ignorable Code Point	✘
Other Grapheme Extend	✘
Other ID Continue	✘
Other ID Start	✘
Other Lowercase	✘
Other Math	✘
Other Uppercase	✘
Prepended Concatenation Mark	✘
Pattern Syntax	✘
Pattern White Space	✘
Quotation Mark	✘
Regional Indicator	✘
Radical	✘
Sentence Break	Other
Soft Dotted	✘
Sentence Terminal	✘
Terminal Punctuation	✘
Unified Ideograph	✘
Variation Selector	✘
Word Break	Other
White Space	✘
XID Continue	✘
XID Start	✘
Expands On NFC	✘
Expands On NFD	✘
Expands On NFKC	✔
Expands On NFKD	✔
Bidi Paired Bracket	Circled Number Thirty One
Bidi Paired Bracket Type	None
East Asian Width	Wide
Hangul Syllable Type	Not Applicable
ISO 10646 Comment	—
Joining Group	No_Joining_Group
Joining Type	Non Joining
Line Break	Ideographic
Numeric Type	Numeric
Numeric Value	31
Simple Case Folding	Circled Number Thirty One
Script Extension
Vertical Orientation	U