3131120132 has 12 divisors (see below), whose sum is σ = 6262240320. Its totient is φ = 1341908616.

The previous prime is 3131120131. The next prime is 3131120141. The reversal of 3131120132 is 2310211313.

3131120132 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 3131120132.

It is not an unprimeable number, because it can be changed into a prime (3131120131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55912832 + ... + 55912887.

It is an arithmetic number, because the mean of its divisors is an integer number (521853360).

Almost surely, 2^3131120132 is an apocalyptic number.

It is an amenable number.

3131120132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3131120132 is a wasteful number, since it uses less digits than its factorization.

3131120132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111825730 (or 111825728 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3131120132 is about 55956.4127870971. The cubic root of 3131120132 is about 1462.9626666995.

Adding to 3131120132 its reverse (2310211313), we get a palindrome (5441331445).

The spelling of 3131120132 in words is "three billion, one hundred thirty-one million, one hundred twenty thousand, one hundred thirty-two".