31612422054168 has 192 divisors, whose sum is σ = 89261827200000. Its totient is φ = 10099308510720.

The previous prime is 31612422054167. The next prime is 31612422054181. The reversal of 31612422054168 is 86145022421613.

31612422054168 is a `hidden beast` number, since 3 + 1 + 6 + 1 + 2 + 4 + 220 + 5 + 416 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31612422054167) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46067803 + ... + 46748981.

It is an arithmetic number, because the mean of its divisors is an integer number (464905350000).

Almost surely, 2^{31612422054168} 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 31612422054168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44630913600000).

31612422054168 is an abundant number, since it is smaller than the sum of its proper divisors (57649405145832).

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

31612422054168 is a wasteful number, since it uses less digits than its factorization.

31612422054168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681510 (or 681503 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 31612422054168 in words is "thirty-one trillion, six hundred twelve billion, four hundred twenty-two million, fifty-four thousand, one hundred sixty-eight".