313116394 has 8 divisors (see below), whose sum is σ = 470437668. Its totient is φ = 156303840.

The previous prime is 313116389. The next prime is 313116403. The reversal of 313116394 is 493611313.

It can be written as a sum of positive squares in 2 ways, for example, as 255584169 + 57532225 = 15987^2 + 7585^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125637 + ... + 128104.

Almost surely, 2^313116394 is an apocalyptic number.

313116394 is a deficient number, since it is larger than the sum of its proper divisors (157321274).

313116394 is a wasteful number, since it uses less digits than its factorization.

313116394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254360.

The product of its digits is 5832, while the sum is 31.

The square root of 313116394 is about 17695.0951961271. The cubic root of 313116394 is about 679.0502846451.

The spelling of 313116394 in words is "three hundred thirteen million, one hundred sixteen thousand, three hundred ninety-four".