31542544132 has 12 divisors (see below), whose sum is σ = 60217584336. Its totient is φ = 14337520040.

The previous prime is 31542544127. The next prime is 31542544133. The reversal of 31542544132 is 23144524513.

It is not an unprimeable number, because it can be changed into a prime (31542544133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358437958 + ... + 358438045.

It is an arithmetic number, because the mean of its divisors is an integer number (5018132028).

Almost surely, 2^31542544132 is an apocalyptic number.

It is an amenable number.

31542544132 is a deficient number, since it is larger than the sum of its proper divisors (28675040204).

31542544132 is a wasteful number, since it uses less digits than its factorization.

31542544132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716876018 (or 716876016 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The spelling of 31542544132 in words is "thirty-one billion, five hundred forty-two million, five hundred forty-four thousand, one hundred thirty-two".