313289168 has 40 divisors (see below), whose sum is σ = 619845000. Its totient is φ = 153354240.

The previous prime is 313289153. The next prime is 313289191. The reversal of 313289168 is 861982313.

It can be written as a sum of positive squares in 4 ways, for example, as 42094144 + 271195024 = 6488^2 + 16468^2 .

It is a super-2 number, since 2×313289168² = 196300205572264448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250208 + ... + 251456.

It is an arithmetic number, because the mean of its divisors is an integer number (15496125).

Almost surely, 2^313289168 is an apocalyptic number.

It is an amenable number.

313289168 is a deficient number, since it is larger than the sum of its proper divisors (306555832).

313289168 is a wasteful number, since it uses less digits than its factorization.

313289168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575 (or 1569 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 313289168 is about 17699.9764971595. The cubic root of 313289168 is about 679.1751590409.

The spelling of 313289168 in words is "three hundred thirteen million, two hundred eighty-nine thousand, one hundred sixty-eight".