2131590914 has 4 divisors (see below), whose sum is σ = 3197386374. Its totient is φ = 1065795456.

The previous prime is 2131590887. The next prime is 2131590931. The reversal of 2131590914 is 4190951312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1626105625 + 505485289 = 40325^2 + 22483^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532897727 + ... + 532897730.

Almost surely, 2^2131590914 is an apocalyptic number.

2131590914 is a deficient number, since it is larger than the sum of its proper divisors (1065795460).

2131590914 is a wasteful number, since it uses less digits than its factorization.

2131590914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065795459.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 2131590914 is about 46169.1554395356. The cubic root of 2131590914 is about 1286.9686074772.

The spelling of 2131590914 in words is "two billion, one hundred thirty-one million, five hundred ninety thousand, nine hundred fourteen".