313223233 has 2 divisors, whose sum is σ = 313223234. Its totient is φ = 313223232.

The previous prime is 313223213. The next prime is 313223257. The reversal of 313223233 is 332322313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 278789809 + 34433424 = 16697^2 + 5868^2 .

It is a cyclic number.

It is not a de Polignac number, because 313223233 - 2⁵ = 313223201 is a prime.

It is not a weakly prime, because it can be changed into another prime (313223213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156611616 + 156611617.

It is an arithmetic number, because the mean of its divisors is an integer number (156611617).

Almost surely, 2^313223233 is an apocalyptic number.

It is an amenable number.

313223233 is a deficient number, since it is larger than the sum of its proper divisors (1).

313223233 is an equidigital number, since it uses as much as digits as its factorization.

313223233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 22.

The square root of 313223233 is about 17698.1138260550. The cubic root of 313223233 is about 679.1275091797.

Adding to 313223233 its reverse (332322313), we get a palindrome (645545546).

The spelling of 313223233 in words is "three hundred thirteen million, two hundred twenty-three thousand, two hundred thirty-three".