313256979 has 12 divisors (see below), whose sum is σ = 517122736. Its totient is φ = 179003952.

The previous prime is 313256969. The next prime is 313257001. The reversal of 313256979 is 979652313.

313256979 is a `hidden beast` number, since 3 + 13 + 2 + 569 + 79 = 666.

It is not a de Polignac number, because 313256979 - 2⁵ = 313256947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313256969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2486104 + ... + 2486229.

Almost surely, 2^313256979 is an apocalyptic number.

313256979 is a deficient number, since it is larger than the sum of its proper divisors (203865757).

313256979 is a wasteful number, since it uses less digits than its factorization.

313256979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972346 (or 4972343 counting only the distinct ones).

The product of its digits is 306180, while the sum is 45.

The square root of 313256979 is about 17699.0671788092. The cubic root of 313256979 is about 679.1518975515.

The spelling of 313256979 in words is "three hundred thirteen million, two hundred fifty-six thousand, nine hundred seventy-nine".