51307631132 has 48 divisors (see below), whose sum is σ = 93261434112. Its totient is φ = 24680194560.

The previous prime is 51307631107. The next prime is 51307631143. The reversal of 51307631132 is 23113670315.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24630563 + ... + 24632645.

It is an arithmetic number, because the mean of its divisors is an integer number (1942946544).

Almost surely, 2^51307631132 is an apocalyptic number.

It is an amenable number.

51307631132 is a deficient number, since it is larger than the sum of its proper divisors (41953802980).

51307631132 is a wasteful number, since it uses less digits than its factorization.

51307631132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218 (or 4216 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The spelling of 51307631132 in words is "fifty-one billion, three hundred seven million, six hundred thirty-one thousand, one hundred thirty-two".