31031113132 has 24 divisors (see below), whose sum is σ = 57558165840. Its totient is φ = 14587806720.

The previous prime is 31031113117. The next prime is 31031113187. The reversal of 31031113132 is 23131113013.

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, 168957 + ... + 301012.

It is an arithmetic number, because the mean of its divisors is an integer number (2398256910).

Almost surely, 2^31031113132 is an apocalyptic number.

It is an amenable number.

31031113132 is a deficient number, since it is larger than the sum of its proper divisors (26527052708).

31031113132 is a wasteful number, since it uses less digits than its factorization.

31031113132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470961 (or 470959 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 31031113132 its reverse (23131113013), we get a palindrome (54162226145).

The spelling of 31031113132 in words is "thirty-one billion, thirty-one million, one hundred thirteen thousand, one hundred thirty-two".