| Name | |
| Unicode Version | 3.1 |
| Block（ブロック） | CJK Compatibility Ideographs Supplement（CJK互換漢字補助） |
| Plane（面） | Supplementary Ideographic Plane（基本多言語面） |
| Script | |
| Category | |
| Bidirectional Class | |
| Combining Class | |
| Character is Mirrored | |
| HTML Entity | 周 周 |
| UTF-8 Encoding | 周 f0afa0bf |
| UTF-16 Encoding | 周 d87edc3f |
| UTF-32 Encoding | 周 0002f83f |