3131485056 has 128 divisors (see below), whose sum is σ = 10562630400. Its totient is φ = 894703104.

The previous prime is 3131485031. The next prime is 3131485073. The reversal of 3131485056 is 6505841313.

3131485056 is a `hidden beast` number, since 3 + 1 + 3 + 148 + 505 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3131485056.

It is a congruent number.

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, 40530 + ... + 88913.

It is an arithmetic number, because the mean of its divisors is an integer number (82520550).

Almost surely, 2^3131485056 is an apocalyptic number.

3131485056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3131485056 is an abundant number, since it is smaller than the sum of its proper divisors (7431145344).

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

3131485056 is a wasteful number, since it uses less digits than its factorization.

3131485056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129473 (or 129455 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 3131485056 is about 55959.6734801053. The cubic root of 3131485056 is about 1463.0194993373.

The spelling of 3131485056 in words is "three billion, one hundred thirty-one million, four hundred eighty-five thousand, fifty-six".