31112114120 has 64 divisors (see below), whose sum is σ = 74145423600. Its totient is φ = 11708784640.

The previous prime is 31112114119. The next prime is 31112114123. The reversal of 31112114120 is 2141121113.

It can be written as a sum of positive squares in 8 ways, for example, as 10506660004 + 20605454116 = 102502^2 + 143546^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (31112114123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2633186 + ... + 2644974.

Almost surely, 2^31112114120 is an apocalyptic number.

It is an amenable number.

31112114120 is an abundant number, since it is smaller than the sum of its proper divisors (43033309480).

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

31112114120 is a wasteful number, since it uses less digits than its factorization.

31112114120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15698 (or 15694 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 31112114120 its reverse (2141121113), we get a palindrome (33253235233).

The spelling of 31112114120 in words is "thirty-one billion, one hundred twelve million, one hundred fourteen thousand, one hundred twenty".