315124155 has 96 divisors (see below), whose sum is σ = 612722880. Its totient is φ = 153538560.

The previous prime is 315124111. The next prime is 315124193. The reversal of 315124155 is 551421513.

It is not a de Polignac number, because 315124155 - 2⁷ = 315124027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1599517 + ... + 1599713.

It is an arithmetic number, because the mean of its divisors is an integer number (6382530).

Almost surely, 2^315124155 is an apocalyptic number.

315124155 is a deficient number, since it is larger than the sum of its proper divisors (297598725).

315124155 is a wasteful number, since it uses less digits than its factorization.

315124155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 263 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 315124155 is about 17751.7366756044. The cubic root of 315124155 is about 680.4985926636.

Adding to 315124155 its reverse (551421513), we get a palindrome (866545668).

The spelling of 315124155 in words is "three hundred fifteen million, one hundred twenty-four thousand, one hundred fifty-five".