3121681707064 has 32 divisors (see below), whose sum is σ = 5863878685440. Its totient is φ = 1557982166400.

The previous prime is 3121681707017. The next prime is 3121681707073. The reversal of 3121681707064 is 4607071861213.

3121681707064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 17626474 + ... + 17802694.

It is an arithmetic number, because the mean of its divisors is an integer number (183246208920).

Almost surely, 2^{3121681707064} is an apocalyptic number.

It is an amenable number.

3121681707064 is a deficient number, since it is larger than the sum of its proper divisors (2742196978376).

3121681707064 is a wasteful number, since it uses less digits than its factorization.

3121681707064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180271 (or 180267 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 3121681707064 in words is "three trillion, one hundred twenty-one billion, six hundred eighty-one million, seven hundred seven thousand, sixty-four".