三十一日

The number three; 3; third in order; often used to indicate multiple or repeated instances; a surname.

The number ten; 10; complete; perfect; a radical in Chinese dictionaries.

The number one; single; a; as soon as; entire; whole; all; a "one" radical in Chinese characters; also used for clarity when spelling out numbers.

Sun; day; daytime; the earth's rotation period; daily; a specific day; Japan (abbr.)