315394885236 has 144 divisors (see below), whose sum is σ = 812555573760. Its totient is φ = 94788096000.

The previous prime is 315394885229. The next prime is 315394885243. The reversal of 315394885236 is 632588493513.

It is an interprime number because it is at equal distance from previous prime (315394885229) and next prime (315394885243).

It is a super-2 number, since 2×315394885236² (a number of 24 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 47 ways as a sum of consecutive naturals, for example, 64508680 + ... + 64513568.

It is an arithmetic number, because the mean of its divisors is an integer number (5642747040).

Almost surely, 2^315394885236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315394885236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406277786880).

315394885236 is an abundant number, since it is smaller than the sum of its proper divisors (497160688524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315394885236 is a wasteful number, since it uses less digits than its factorization.

315394885236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5146 (or 5043 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 57.

The spelling of 315394885236 in words is "three hundred fifteen billion, three hundred ninety-four million, eight hundred eighty-five thousand, two hundred thirty-six".