31124331124 has 36 divisors (see below), whose sum is σ = 57815974944. Its totient is φ = 14633101648.

The previous prime is 31124331109. The next prime is 31124331137. The reversal of 31124331124 is 42113342113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 271659 + ... + 368845.

It is an arithmetic number, because the mean of its divisors is an integer number (1605999304).

Almost surely, 2^31124331124 is an apocalyptic number.

It is an amenable number.

31124331124 is a deficient number, since it is larger than the sum of its proper divisors (26691643820).

31124331124 is a wasteful number, since it uses less digits than its factorization.

31124331124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97332 (or 97271 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

Adding to 31124331124 its reverse (42113342113), we get a palindrome (73237673237).

The spelling of 31124331124 in words is "thirty-one billion, one hundred twenty-four million, three hundred thirty-one thousand, one hundred twenty-four".