315513128 has 16 divisors (see below), whose sum is σ = 676099680. Its totient is φ = 135219888.

The previous prime is 315513113. The next prime is 315513131. The reversal of 315513128 is 821315513.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 315513128.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2817026 + ... + 2817137.

It is an arithmetic number, because the mean of its divisors is an integer number (42256230).

Almost surely, 2^315513128 is an apocalyptic number.

It is an amenable number.

315513128 is an abundant number, since it is smaller than the sum of its proper divisors (360586552).

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

315513128 is a wasteful number, since it uses less digits than its factorization.

315513128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5634176 (or 5634172 counting only the distinct ones).

The product of its digits is 3600, while the sum is 29.

The square root of 315513128 is about 17762.6892108149. The cubic root of 315513128 is about 680.7784683260.

The spelling of 315513128 in words is "three hundred fifteen million, five hundred thirteen thousand, one hundred twenty-eight".