31255412561424 has 120 divisors (see below), whose sum is σ = 89718582242432. Its totient is φ = 10152008536320.

The previous prime is 31255412561371. The next prime is 31255412561437. The reversal of 31255412561424 is 42416521455213.

31255412561424 is a `hidden beast` number, since 3 + 1 + 2 + 5 + 5 + 4 + 1 + 2 + 5 + 614 + 24 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 31255412561424.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3388072 + ... + 8601735.

Almost surely, 2^{31255412561424} is an apocalyptic number.

It is an amenable number.

31255412561424 is an abundant number, since it is smaller than the sum of its proper divisors (58463169681008).

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

31255412561424 is a wasteful number, since it uses less digits than its factorization.

31255412561424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11990285 (or 11990276 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 45.

The spelling of 31255412561424 in words is "thirty-one trillion, two hundred fifty-five billion, four hundred twelve million, five hundred sixty-one thousand, four hundred twenty-four".