30517385100 has 72 divisors (see below), whose sum is σ = 93490922448. Its totient is φ = 7659264000.

The previous prime is 30517385081. The next prime is 30517385131. The reversal of 30517385100 is 158371503.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2986801 + ... + 2997000.

It is an arithmetic number, because the mean of its divisors is an integer number (1298485034).

Almost surely, 2^30517385100 is an apocalyptic number.

30517385100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30517385100 is an abundant number, since it is smaller than the sum of its proper divisors (62973537348).

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

30517385100 is a wasteful number, since it uses less digits than its factorization.

30517385100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5983835 (or 5983828 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The spelling of 30517385100 in words is "thirty billion, five hundred seventeen million, three hundred eighty-five thousand, one hundred".