2315305320 has 32 divisors (see below), whose sum is σ = 6945916320. Its totient is φ = 617414720.

The previous prime is 2315305309. The next prime is 2315305351. The reversal of 2315305320 is 235035132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 9646986 + ... + 9647225.

It is an arithmetic number, because the mean of its divisors is an integer number (217059885).

Almost surely, 2^2315305320 is an apocalyptic number.

2315305320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2315305320 is an abundant number, since it is smaller than the sum of its proper divisors (4630611000).

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

2315305320 is a wasteful number, since it uses less digits than its factorization.

2315305320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19294225 (or 19294221 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 2315305320 is about 48117.6196418734. The cubic root of 2315305320 is about 1322.9276387883.

The spelling of 2315305320 in words is "two billion, three hundred fifteen million, three hundred five thousand, three hundred twenty".