2131312995 has 96 divisors (see below), whose sum is σ = 4334653440. Its totient is φ = 948556800.

The previous prime is 2131312969. The next prime is 2131313053. The reversal of 2131312995 is 5992131312.

It is not a de Polignac number, because 2131312995 - 2²² = 2127118691 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5314795 + ... + 5315195.

It is an arithmetic number, because the mean of its divisors is an integer number (45152640).

Almost surely, 2^2131312995 is an apocalyptic number.

2131312995 is an abundant number, since it is smaller than the sum of its proper divisors (2203340445).

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

2131312995 is a wasteful number, since it uses less digits than its factorization.

2131312995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825 (or 822 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 2131312995 is about 46166.1455506088. The cubic root of 2131312995 is about 1286.9126729524.

The spelling of 2131312995 in words is "two billion, one hundred thirty-one million, three hundred twelve thousand, nine hundred ninety-five".