3121727131464 has 16 divisors (see below), whose sum is σ = 7804317828720. Its totient is φ = 1040575710480.

The previous prime is 3121727131423. The next prime is 3121727131507. The reversal of 3121727131464 is 4641317271213.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65035981882 + ... + 65035981929.

It is an arithmetic number, because the mean of its divisors is an integer number (487769864295).

Almost surely, 2^{3121727131464} is an apocalyptic number.

It is an amenable number.

3121727131464 is an abundant number, since it is smaller than the sum of its proper divisors (4682590697256).

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

3121727131464 is a wasteful number, since it uses less digits than its factorization.

3121727131464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130071963820 (or 130071963816 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The spelling of 3121727131464 in words is "three trillion, one hundred twenty-one billion, seven hundred twenty-seven million, one hundred thirty-one thousand, four hundred sixty-four".