31332113132 has 12 divisors (see below), whose sum is σ = 54905399640. Its totient is φ = 15644856096.

The previous prime is 31332113089. The next prime is 31332113159. The reversal of 31332113132 is 23131123313.

It is a junction number, because it is equal to n+sod(n) for n = 31332113098 and 31332113107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5296793 + ... + 5302704.

It is an arithmetic number, because the mean of its divisors is an integer number (4575449970).

Almost surely, 2^31332113132 is an apocalyptic number.

It is an amenable number.

31332113132 is a deficient number, since it is larger than the sum of its proper divisors (23573286508).

31332113132 is a wasteful number, since it uses less digits than its factorization.

31332113132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10600240 (or 10600238 counting only the distinct ones).

The product of its digits is 972, while the sum is 23.

Adding to 31332113132 its reverse (23131123313), we get a palindrome (54463236445).

The spelling of 31332113132 in words is "thirty-one billion, three hundred thirty-two million, one hundred thirteen thousand, one hundred thirty-two".