31494454354944 has 132 divisors (see below), whose sum is σ = 103930918471744. Its totient is φ = 8998415511552.

The previous prime is 31494454354907. The next prime is 31494454354997. The reversal of 31494454354944 is 44945345449413.

31494454354944 is a `hidden beast` number, since 3 + 1 + 4 + 9 + 4 + 4 + 5 + 43 + 549 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244033132 + ... + 244162155.

Almost surely, 2^{31494454354944} is an apocalyptic number.

It is an amenable number.

31494454354944 is an abundant number, since it is smaller than the sum of its proper divisors (72436464116800).

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

31494454354944 is a wasteful number, since it uses less digits than its factorization.

31494454354944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488195320 (or 488195299 counting only the distinct ones).

The product of its digits is 298598400, while the sum is 63.

The spelling of 31494454354944 in words is "thirty-one trillion, four hundred ninety-four billion, four hundred fifty-four million, three hundred fifty-four thousand, nine hundred forty-four".