3121716964 has 24 divisors (see below), whose sum is σ = 5483820888. Its totient is φ = 1554923520.

The previous prime is 3121716959. The next prime is 3121716979. The reversal of 3121716964 is 4696171213.

3121716964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8076964 + 3113640000 = 2842^2 + 55800^2 .

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, 2107104 + ... + 2108584.

It is an arithmetic number, because the mean of its divisors is an integer number (228492537).

Almost surely, 2^3121716964 is an apocalyptic number.

It is an amenable number.

3121716964 is a deficient number, since it is larger than the sum of its proper divisors (2362103924).

3121716964 is a wasteful number, since it uses less digits than its factorization.

3121716964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3135 (or 3133 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 3121716964 is about 55872.3273544247. The cubic root of 3121716964 is about 1461.4967080840.

The spelling of 3121716964 in words is "three billion, one hundred twenty-one million, seven hundred sixteen thousand, nine hundred sixty-four".