3131103112 has 32 divisors (see below), whose sum is σ = 6221475000. Its totient is φ = 1472200704.

The previous prime is 3131103109. The next prime is 3131103167. The reversal of 3131103112 is 2113011313.

It can be written as a sum of positive squares in 4 ways, for example, as 2925295396 + 205807716 = 54086^2 + 14346^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160648 + ... + 179080.

Almost surely, 2^3131103112 is an apocalyptic number.

It is an amenable number.

3131103112 is a deficient number, since it is larger than the sum of its proper divisors (3090371888).

3131103112 is a wasteful number, since it uses less digits than its factorization.

3131103112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19705 (or 19701 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 3131103112 is about 55956.2607042322. The cubic root of 3131103112 is about 1462.9600159261.

Adding to 3131103112 its reverse (2113011313), we get a palindrome (5244114425).

The spelling of 3131103112 in words is "three billion, one hundred thirty-one million, one hundred three thousand, one hundred twelve".