31112123244 has 48 divisors (see below), whose sum is σ = 75671608320. Its totient is φ = 9936646720.

The previous prime is 31112123239. The next prime is 31112123261. The reversal of 31112123244 is 44232121113.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295644 + ... + 386819.

It is an arithmetic number, because the mean of its divisors is an integer number (1576491840).

Almost surely, 2^31112123244 is an apocalyptic number.

It is an amenable number.

31112123244 is an abundant number, since it is smaller than the sum of its proper divisors (44559485076).

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

31112123244 is a wasteful number, since it uses less digits than its factorization.

31112123244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682630 (or 682628 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

Adding to 31112123244 its reverse (44232121113), we get a palindrome (75344244357).

The spelling of 31112123244 in words is "thirty-one billion, one hundred twelve million, one hundred twenty-three thousand, two hundred forty-four".