315104520 has 128 divisors (see below), whose sum is σ = 1013523840. Its totient is φ = 78090240.

The previous prime is 315104513. The next prime is 315104561. The reversal of 315104520 is 25401513.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168390 + ... + 170250.

It is an arithmetic number, because the mean of its divisors is an integer number (7918155).

Almost surely, 2^315104520 is an apocalyptic number.

315104520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315104520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (506761920).

315104520 is an abundant number, since it is smaller than the sum of its proper divisors (698419320).

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

315104520 is a wasteful number, since it uses less digits than its factorization.

315104520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975 (or 1971 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 315104520 is about 17751.1836225081. The cubic root of 315104520 is about 680.4844586922.

The spelling of 315104520 in words is "three hundred fifteen million, one hundred four thousand, five hundred twenty".