313398231 has 8 divisors (see below), whose sum is σ = 417988224. Its totient is φ = 208870200.

The previous prime is 313398229. The next prime is 313398257. The reversal of 313398231 is 132893313.

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

It is not a de Polignac number, because 313398231 - 2¹ = 313398229 is a prime.

It is a super-2 number, since 2×313398231² = 196436902387858722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313398192 and 313398201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313398031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2011 + ... + 25116.

It is an arithmetic number, because the mean of its divisors is an integer number (52248528).

Almost surely, 2^313398231 is an apocalyptic number.

313398231 is a deficient number, since it is larger than the sum of its proper divisors (104589993).

313398231 is a wasteful number, since it uses less digits than its factorization.

313398231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30981.

The product of its digits is 11664, while the sum is 33.

The square root of 313398231 is about 17703.0571088725. The cubic root of 313398231 is about 679.2539619426.

The spelling of 313398231 in words is "three hundred thirteen million, three hundred ninety-eight thousand, two hundred thirty-one".