| Name | CIRCLED NUMBER THIRTY ONE |
| Unicode Version | 3.2 |
| Block（ブロック） | Enclosed CJK Letters and Months（囲みCJK文字・月） |
| Plane（面） | Basic Multilingual Plane（基本多言語面） |
| Script | |
| Category | |
| Bidirectional Class | |
| Combining Class | |
| Character is Mirrored | |
| HTML Entity | ㉛ ㉛ |
| UTF-8 Encoding | ㉛ e3899b |
| UTF-16 Encoding | ㉛ 325b |
| UTF-32 Encoding | ㉛ 0000325b |