313226872 has 16 divisors (see below), whose sum is σ = 671200560. Its totient is φ = 134240064.

The previous prime is 313226861. The next prime is 313226917. The reversal of 313226872 is 278622313.

It is a super-2 number, since 2×313226872² = 196222146685808768, which contains 22 as substring.

It is a congruent number.

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, 2796613 + ... + 2796724.

It is an arithmetic number, because the mean of its divisors is an integer number (41950035).

Almost surely, 2^313226872 is an apocalyptic number.

It is an amenable number.

313226872 is an abundant number, since it is smaller than the sum of its proper divisors (357973688).

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

313226872 is a wasteful number, since it uses less digits than its factorization.

313226872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5593350 (or 5593346 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 313226872 is about 17698.2166333221. The cubic root of 313226872 is about 679.1301391841.

The spelling of 313226872 in words is "three hundred thirteen million, two hundred twenty-six thousand, eight hundred seventy-two".