31112033132 has 96 divisors (see below), whose sum is σ = 63268853760. Its totient is φ = 13288320000.

The previous prime is 31112033123. The next prime is 31112033137. The reversal of 31112033132 is 23133021113.

It is not an unprimeable number, because it can be changed into a prime (31112033137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4041407 + ... + 4049097.

It is an arithmetic number, because the mean of its divisors is an integer number (659050560).

Almost surely, 2^31112033132 is an apocalyptic number.

It is an amenable number.

31112033132 is an abundant number, since it is smaller than the sum of its proper divisors (32156820628).

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

31112033132 is a wasteful number, since it uses less digits than its factorization.

31112033132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7863 (or 7861 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31112033132 its reverse (23133021113), we get a palindrome (54245054245).

The spelling of 31112033132 in words is "thirty-one billion, one hundred twelve million, thirty-three thousand, one hundred thirty-two".