315281130 has 16 divisors (see below), whose sum is σ = 756674784. Its totient is φ = 84074960.

The previous prime is 315281119. The next prime is 315281149. The reversal of 315281130 is 31182513.

It is a self number, because there is not a number n which added to its sum of digits gives 315281130.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5254656 + ... + 5254715.

It is an arithmetic number, because the mean of its divisors is an integer number (47292174).

Almost surely, 2^315281130 is an apocalyptic number.

315281130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

315281130 is an abundant number, since it is smaller than the sum of its proper divisors (441393654).

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

315281130 is a wasteful number, since it uses less digits than its factorization.

315281130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10509381.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 315281130 is about 17756.1575235184. The cubic root of 315281130 is about 680.6115677483.

The spelling of 315281130 in words is "three hundred fifteen million, two hundred eighty-one thousand, one hundred thirty".