315103424520 has 64 divisors (see below), whose sum is σ = 1000916766720. Its totient is φ = 79084780544.

The previous prime is 315103424513. The next prime is 315103424521. The reversal of 315103424520 is 25424301513.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (315103424521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77229192 + ... + 77233271.

It is an arithmetic number, because the mean of its divisors is an integer number (15639324480).

Almost surely, 2^315103424520 is an apocalyptic number.

315103424520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315103424520 is an abundant number, since it is smaller than the sum of its proper divisors (685813342200).

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

315103424520 is a wasteful number, since it uses less digits than its factorization.

315103424520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154462494 (or 154462490 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 315103424520 in words is "three hundred fifteen billion, one hundred three million, four hundred twenty-four thousand, five hundred twenty".