31013132000 has 96 divisors (see below), whose sum is σ = 77449042944. Its totient is φ = 12201792000.

The previous prime is 31013131999. The next prime is 31013132021. The reversal of 31013132000 is 23131013.

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, 180449 + ... + 307551.

It is an arithmetic number, because the mean of its divisors is an integer number (806760864).

Almost surely, 2^31013132000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31013132000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38724521472).

31013132000 is an abundant number, since it is smaller than the sum of its proper divisors (46435910944).

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

31013132000 is a wasteful number, since it uses less digits than its factorization.

31013132000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127189 (or 127171 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 31013132000 its reverse (23131013), we get a palindrome (31036263013).

The spelling of 31013132000 in words is "thirty-one billion, thirteen million, one hundred thirty-two thousand".