313051256 has 16 divisors (see below), whose sum is σ = 670824240. Its totient is φ = 134164800.

The previous prime is 313051253. The next prime is 313051261. The reversal of 313051256 is 652150313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313051253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2795045 + ... + 2795156.

It is an arithmetic number, because the mean of its divisors is an integer number (41926515).

Almost surely, 2^313051256 is an apocalyptic number.

It is an amenable number.

313051256 is an abundant number, since it is smaller than the sum of its proper divisors (357772984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313051256 is a wasteful number, since it uses less digits than its factorization.

313051256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5590214 (or 5590210 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 313051256 is about 17693.2545338612. The cubic root of 313051256 is about 679.0031934826.

The spelling of 313051256 in words is "three hundred thirteen million, fifty-one thousand, two hundred fifty-six".