31368236481504 has 1344 divisors, whose sum is σ = 107279898163200. Its totient is φ = 8944317997056.

The previous prime is 31368236481497. The next prime is 31368236481553. The reversal of 31368236481504 is 40518463286313.

31368236481504 is a `hidden beast` number, since 3 + 1 + 3 + 6 + 82 + 36 + 481 + 50 + 4 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 62362298917 + ... + 62362299419.

It is an arithmetic number, because the mean of its divisors is an integer number (79821352800).

Almost surely, 2^{31368236481504} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31368236481504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53639949081600).

31368236481504 is an abundant number, since it is smaller than the sum of its proper divisors (75911661681696).

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

31368236481504 is a wasteful number, since it uses less digits than its factorization.

31368236481504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 54.

The spelling of 31368236481504 in words is "thirty-one trillion, three hundred sixty-eight billion, two hundred thirty-six million, four hundred eighty-one thousand, five hundred four".