315496831 has 8 divisors (see below), whose sum is σ = 343131264. Its totient is φ = 288343200.

The previous prime is 315496823. The next prime is 315496847. The reversal of 315496831 is 138694513.

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

It is a cyclic number.

It is not a de Polignac number, because 315496831 - 2³ = 315496823 is a prime.

It is a super-2 number, since 2×315496831² = 199076500742085122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315496871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118831 + ... + 121456.

It is an arithmetic number, because the mean of its divisors is an integer number (42891408).

Almost surely, 2^315496831 is an apocalyptic number.

315496831 is a deficient number, since it is larger than the sum of its proper divisors (27634433).

315496831 is a wasteful number, since it uses less digits than its factorization.

315496831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240401.

The product of its digits is 77760, while the sum is 40.

The square root of 315496831 is about 17762.2304624166. The cubic root of 315496831 is about 680.7667468510.

The spelling of 315496831 in words is "three hundred fifteen million, four hundred ninety-six thousand, eight hundred thirty-one".