31320456444064 has 24 divisors (see below), whose sum is σ = 61692539165460. Its totient is φ = 15652509989376.

The previous prime is 31320456444031. The next prime is 31320456444083. The reversal of 31320456444064 is 46044465402313.

It can be written as a sum of positive squares in 2 ways, for example, as 30263861587600 + 1056594856464 = 5501260^2 + 1027908^2 .

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, 241128829 + ... + 241258684.

Almost surely, 2^{31320456444064} is an apocalyptic number.

It is an amenable number.

31320456444064 is a deficient number, since it is larger than the sum of its proper divisors (30372082721396).

31320456444064 is a wasteful number, since it uses less digits than its factorization.

31320456444064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482389552 (or 482389544 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 46.

The spelling of 31320456444064 in words is "thirty-one trillion, three hundred twenty billion, four hundred fifty-six million, four hundred forty-four thousand, sixty-four".