Undefined Character (U+13D31)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𓴱` `𓴱`
UTF-8 Encoding:	`0xF0 0x93 0xB4 0xB1`
UTF-16 Encoding:	`0xD80F 0xDD31`
UTF-32 Encoding:	`0x00013D31`

References