315613882 has 4 divisors (see below), whose sum is σ = 473420826. Its totient is φ = 157806940.

The previous prime is 315613877. The next prime is 315613919. The reversal of 315613882 is 288316513.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 308318481 + 7295401 = 17559^2 + 2701^2 .

It is a super-2 number, since 2×315613882² = 199224245022219848, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 78903469 + ... + 78903472.

Almost surely, 2^315613882 is an apocalyptic number.

315613882 is a deficient number, since it is larger than the sum of its proper divisors (157806944).

315613882 is a wasteful number, since it uses less digits than its factorization.

315613882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157806943.

The product of its digits is 34560, while the sum is 37.

The square root of 315613882 is about 17765.5250977842. The cubic root of 315613882 is about 680.8509258012.

The spelling of 315613882 in words is "three hundred fifteen million, six hundred thirteen thousand, eight hundred eighty-two".