315656325323438 has 64 divisors (see below), whose sum is σ = 542102577177600. Its totient is φ = 136523104623360.

The previous prime is 315656325323413. The next prime is 315656325323477. The reversal of 315656325323438 is 834323523656513.

315656325323438 is an astonishing number since 315656325323438 = 3156563 + ... + 25323438.

It is a super-2 number, since 2×315656325323438² (a number of 30 digits) 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 31 ways as a sum of consecutive naturals, for example, 54189143 + ... + 59730861.

It is an arithmetic number, because the mean of its divisors is an integer number (8470352768400).

Almost surely, 2^{315656325323438} is an apocalyptic number.

315656325323438 is a deficient number, since it is larger than the sum of its proper divisors (226446251854162).

315656325323438 is a wasteful number, since it uses less digits than its factorization.

315656325323438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5543057.

The product of its digits is 139968000, while the sum is 59.

The spelling of 315656325323438 in words is "three hundred fifteen trillion, six hundred fifty-six billion, three hundred twenty-five million, three hundred twenty-three thousand, four hundred thirty-eight".