31132103332 has 96 divisors (see below), whose sum is σ = 63497516544. Its totient is φ = 13199155200.

The previous prime is 31132103311. The next prime is 31132103333. The reversal of 31132103332 is 23330123113.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (31132103333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67239733 + ... + 67240195.

It is an arithmetic number, because the mean of its divisors is an integer number (661432464).

Almost surely, 2^31132103332 is an apocalyptic number.

It is an amenable number.

31132103332 is an abundant number, since it is smaller than the sum of its proper divisors (32365413212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31132103332 is a wasteful number, since it uses less digits than its factorization.

31132103332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 31132103332 its reverse (23330123113), we get a palindrome (54462226445).

The spelling of 31132103332 in words is "thirty-one billion, one hundred thirty-two million, one hundred three thousand, three hundred thirty-two".