30713304816 has 80 divisors (see below), whose sum is σ = 88347916800. Its totient is φ = 10215778752.

The previous prime is 30713304767. The next prime is 30713304821. The reversal of 30713304816 is 61840331703.

30713304816 is a `hidden beast` number, since 307 + 1 + 330 + 4 + 8 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 125625 + ... + 277863.

It is an arithmetic number, because the mean of its divisors is an integer number (1104348960).

Almost surely, 2^30713304816 is an apocalyptic number.

30713304816 is a gapful number since it is divisible by the number (36) 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 30713304816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44173958400).

30713304816 is an abundant number, since it is smaller than the sum of its proper divisors (57634611984).

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

30713304816 is a wasteful number, since it uses less digits than its factorization.

30713304816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152723 (or 152711 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 30713304816 in words is "thirty billion, seven hundred thirteen million, three hundred four thousand, eight hundred sixteen".