30931389742080 has 176 divisors, whose sum is σ = 104751654049440. Its totient is φ = 7763172261888.

The previous prime is 30931389742051. The next prime is 30931389742087. The reversal of 30931389742080 is 8024798313903.

It is a self number, because there is not a number n which added to its sum of digits gives 30931389742080.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30931389742087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58967185 + ... + 59489424.

Almost surely, 2^{30931389742080} is an apocalyptic number.

30931389742080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30931389742080 is an abundant number, since it is smaller than the sum of its proper divisors (73820264307360).

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

30931389742080 is a wasteful number, since it uses less digits than its factorization.

30931389742080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118456654 (or 118456636 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 57.

The spelling of 30931389742080 in words is "thirty trillion, nine hundred thirty-one billion, three hundred eighty-nine million, seven hundred forty-two thousand, eighty".