315382215 has 32 divisors (see below), whose sum is σ = 535265280. Its totient is φ = 158022144.

The previous prime is 315382169. The next prime is 315382217. The reversal of 315382215 is 512283513.

It is not a de Polignac number, because 315382215 - 2⁷ = 315382087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315382217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245946 + ... + 247224.

It is an arithmetic number, because the mean of its divisors is an integer number (16727040).

Almost surely, 2^315382215 is an apocalyptic number.

315382215 is a deficient number, since it is larger than the sum of its proper divisors (219883065).

315382215 is a wasteful number, since it uses less digits than its factorization.

315382215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271.

The product of its digits is 7200, while the sum is 30.

The square root of 315382215 is about 17759.0037727346. The cubic root of 315382215 is about 680.6842988891.

The spelling of 315382215 in words is "three hundred fifteen million, three hundred eighty-two thousand, two hundred fifteen".