31467922984512 has 840 divisors, whose sum is σ = 114780762112896. Its totient is φ = 8482007052288.

The previous prime is 31467922984493. The next prime is 31467922984543. The reversal of 31467922984512 is 21548922976413.

It is a happy number.

31467922984512 is a `hidden beast` number, since 3 + 1 + 4 + 6 + 7 + 9 + 22 + 98 + 4 + 512 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 31467922984512.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 426455973 + ... + 426529755.

Almost surely, 2^{31467922984512} is an apocalyptic number.

31467922984512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31467922984512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57390381056448).

31467922984512 is an abundant number, since it is smaller than the sum of its proper divisors (83312839128384).

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

31467922984512 is a wasteful number, since it uses less digits than its factorization.

31467922984512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73917 (or 73891 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 31467922984512 in words is "thirty-one trillion, four hundred sixty-seven billion, nine hundred twenty-two million, nine hundred eighty-four thousand, five hundred twelve".