131051432 has 32 divisors (see below), whose sum is σ = 251035200. Its totient is φ = 64124544.

The previous prime is 131051429. The next prime is 131051443. The reversal of 131051432 is 234150131.

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, 72443 + ... + 74229.

It is an arithmetic number, because the mean of its divisors is an integer number (7844850).

Almost surely, 2^131051432 is an apocalyptic number.

It is an amenable number.

131051432 is a deficient number, since it is larger than the sum of its proper divisors (119983768).

131051432 is a wasteful number, since it uses less digits than its factorization.

131051432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985 (or 1981 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 131051432 is about 11447.7697391239. The cubic root of 131051432 is about 507.9417648746.

The spelling of 131051432 in words is "one hundred thirty-one million, fifty-one thousand, four hundred thirty-two".