31132303120 has 40 divisors (see below), whose sum is σ = 72573658560. Its totient is φ = 12420051840.

The previous prime is 31132303109. The next prime is 31132303207. The reversal of 31132303120 is 2130323113.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483076 + ... + 543715.

It is an arithmetic number, because the mean of its divisors is an integer number (1814341464).

Almost surely, 2^31132303120 is an apocalyptic number.

It is an amenable number.

31132303120 is an abundant number, since it is smaller than the sum of its proper divisors (41441355440).

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

31132303120 is a wasteful number, since it uses less digits than its factorization.

31132303120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027183 (or 1027177 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31132303120 its reverse (2130323113), we get a palindrome (33262626233).

The spelling of 31132303120 in words is "thirty-one billion, one hundred thirty-two million, three hundred three thousand, one hundred twenty".