313056256 has 22 divisors (see below), whose sum is σ = 625808840. Its totient is φ = 156527616.

The previous prime is 313056251. The next prime is 313056277. The reversal of 313056256 is 652650313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313056251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151836 + ... + 153883.

Almost surely, 2^313056256 is an apocalyptic number.

It is an amenable number.

313056256 is a deficient number, since it is larger than the sum of its proper divisors (312752584).

313056256 is an equidigital number, since it uses as much as digits as its factorization.

313056256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305739 (or 305721 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 313056256 is about 17693.3958300830. The cubic root of 313056256 is about 679.0068084368.

The spelling of 313056256 in words is "three hundred thirteen million, fifty-six thousand, two hundred fifty-six".