31248007584641 has 32 divisors (see below), whose sum is σ = 33362841600000. Its totient is φ = 29183891855040.

The previous prime is 31248007584613. The next prime is 31248007584643. The reversal of 31248007584641 is 14648570084213.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-31248007584641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31248007584643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237310700 + ... + 237442338.

It is an arithmetic number, because the mean of its divisors is an integer number (1042588800000).

Almost surely, 2^{31248007584641} is an apocalyptic number.

It is an amenable number.

31248007584641 is a deficient number, since it is larger than the sum of its proper divisors (2114834015359).

31248007584641 is a wasteful number, since it uses less digits than its factorization.

31248007584641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132437.

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 31248007584641 in words is "thirty-one trillion, two hundred forty-eight billion, seven million, five hundred eighty-four thousand, six hundred forty-one".