313275928 has 32 divisors (see below), whose sum is σ = 671938560. Its totient is φ = 134134560.

The previous prime is 313275917. The next prime is 313275961. The reversal of 313275928 is 829572313.

It is a super-2 number, since 2×313275928² = 196283614128522368, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80475 + ... + 84277.

It is an arithmetic number, because the mean of its divisors is an integer number (20998080).

Almost surely, 2^313275928 is an apocalyptic number.

It is an amenable number.

313275928 is an abundant number, since it is smaller than the sum of its proper divisors (358662632).

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

313275928 is a wasteful number, since it uses less digits than its factorization.

313275928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5287 (or 5283 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 313275928 is about 17699.6024814118. The cubic root of 313275928 is about 679.1655913031.

The spelling of 313275928 in words is "three hundred thirteen million, two hundred seventy-five thousand, nine hundred twenty-eight".