30631926408 has 64 divisors (see below), whose sum is σ = 82413832320. Its totient is φ = 9452467200.

The previous prime is 30631926379. The next prime is 30631926419. The reversal of 30631926408 is 80462913603.

It is a self number, because there is not a number n which added to its sum of digits gives 30631926408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 590508 + ... + 640283.

It is an arithmetic number, because the mean of its divisors is an integer number (1287716130).

Almost surely, 2^30631926408 is an apocalyptic number.

It is an amenable number.

30631926408 is an abundant number, since it is smaller than the sum of its proper divisors (51781905912).

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

30631926408 is a wasteful number, since it uses less digits than its factorization.

30631926408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230878 (or 1230874 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 30631926408 in words is "thirty billion, six hundred thirty-one million, nine hundred twenty-six thousand, four hundred eight".