30787220512320 has 112 divisors (see below), whose sum is σ = 97856726946048. Its totient is φ = 8200913244160.

The previous prime is 30787220512313. The next prime is 30787220512331. The reversal of 30787220512320 is 2321502278703.

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, 16726989 + ... + 18476108.

It is an arithmetic number, because the mean of its divisors is an integer number (873720776304).

Almost surely, 2^{30787220512320} is an apocalyptic number.

30787220512320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30787220512320 is an abundant number, since it is smaller than the sum of its proper divisors (67069506433728).

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

30787220512320 is a wasteful number, since it uses less digits than its factorization.

30787220512320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35204028 (or 35204018 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 30787220512320 in words is "thirty trillion, seven hundred eighty-seven billion, two hundred twenty million, five hundred twelve thousand, three hundred twenty".