3131202112 has 14 divisors (see below), whose sum is σ = 6213479318. Its totient is φ = 1565601024.

The previous prime is 3131202049. The next prime is 3131202143. The reversal of 3131202112 is 2112021313.

It can be written as a sum of positive squares in only one way, i.e., 2819185216 + 312016896 = 53096^2 + 17664^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24462453 + ... + 24462580.

Almost surely, 2^3131202112 is an apocalyptic number.

3131202112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3131202112 is a deficient number, since it is larger than the sum of its proper divisors (3082277206).

3131202112 is an equidigital number, since it uses as much as digits as its factorization.

3131202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48925045 (or 48925035 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3131202112 is about 55957.1453167511. The cubic root of 3131202112 is about 1462.9754345086.

Adding to 3131202112 its reverse (2112021313), we get a palindrome (5243223425).

The spelling of 3131202112 in words is "three billion, one hundred thirty-one million, two hundred two thousand, one hundred twelve".