313945272 has 48 divisors (see below), whose sum is σ = 851329440. Its totient is φ = 104517888.

The previous prime is 313945267. The next prime is 313945319. The reversal of 313945272 is 272549313.

313945272 is a `hidden beast` number, since 3 + 139 + 452 + 72 = 666.

It is a super-2 number, since 2×313945272² = 197123267622307968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68113 + ... + 72575.

It is an arithmetic number, because the mean of its divisors is an integer number (17736030).

Almost surely, 2^313945272 is an apocalyptic number.

It is an amenable number.

313945272 is an abundant number, since it is smaller than the sum of its proper divisors (537384168).

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

313945272 is a wasteful number, since it uses less digits than its factorization.

313945272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5452 (or 5445 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 313945272 is about 17718.5008395180. The cubic root of 313945272 is about 679.6489479806.

The spelling of 313945272 in words is "three hundred thirteen million, nine hundred forty-five thousand, two hundred seventy-two".