315530428 has 12 divisors (see below), whose sum is σ = 552302632. Its totient is φ = 157729680.

The previous prime is 315530419. The next prime is 315530437. The reversal of 315530428 is 824035513.

It is an interprime number because it is at equal distance from previous prime (315530419) and next prime (315530437).

It is a self number, because there is not a number n which added to its sum of digits gives 315530428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30163 + ... + 39253.

Almost surely, 2^315530428 is an apocalyptic number.

It is an amenable number.

315530428 is a deficient number, since it is larger than the sum of its proper divisors (236772204).

315530428 is a wasteful number, since it uses less digits than its factorization.

315530428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17772 (or 17770 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 315530428 is about 17763.1761799516. The cubic root of 315530428 is about 680.7909107584.

The spelling of 315530428 in words is "three hundred fifteen million, five hundred thirty thousand, four hundred twenty-eight".