31864614136612 has 12 divisors (see below), whose sum is σ = 57270184867420. Its totient is φ = 15501704174496.

The previous prime is 31864614136543. The next prime is 31864614136613. The reversal of 31864614136612 is 21663141646813.

It can be written as a sum of positive squares in 2 ways, for example, as 14660750892096 + 17203863244516 = 3828936^2 + 4147754^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31864614136612.

It is not an unprimeable number, because it can be changed into a prime (31864614136613) 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, 107650723287 + ... + 107650723582.

Almost surely, 2^{31864614136612} is an apocalyptic number.

It is an amenable number.

31864614136612 is a deficient number, since it is larger than the sum of its proper divisors (25405570730808).

31864614136612 is a wasteful number, since it uses less digits than its factorization.

31864614136612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215301446910 (or 215301446908 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 52.

The spelling of 31864614136612 in words is "thirty-one trillion, eight hundred sixty-four billion, six hundred fourteen million, one hundred thirty-six thousand, six hundred twelve".