313130257 has 32 divisors (see below), whose sum is σ = 369515520. Its totient is φ = 262489920.

The previous prime is 313130239. The next prime is 313130261. The reversal of 313130257 is 752031313.

It is not a de Polignac number, because 313130257 - 2²⁷ = 178912529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313130227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1163919 + ... + 1164187.

It is an arithmetic number, because the mean of its divisors is an integer number (11547360).

Almost surely, 2^313130257 is an apocalyptic number.

It is an amenable number.

313130257 is a deficient number, since it is larger than the sum of its proper divisors (56385263).

313130257 is a wasteful number, since it uses less digits than its factorization.

313130257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 313130257 is about 17695.4869105091. The cubic root of 313130257 is about 679.0603059826.

The spelling of 313130257 in words is "three hundred thirteen million, one hundred thirty thousand, two hundred fifty-seven".