30515193192 has 32 divisors (see below), whose sum is σ = 83223254880. Its totient is φ = 9247028160.

The previous prime is 30515193179. The next prime is 30515193193. The reversal of 30515193192 is 29139151503.

It is a self number, because there is not a number n which added to its sum of digits gives 30515193192.

It is not an unprimeable number, because it can be changed into a prime (30515193193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57793663 + ... + 57794190.

It is an arithmetic number, because the mean of its divisors is an integer number (2600726715).

Almost surely, 2^30515193192 is an apocalyptic number.

It is an amenable number.

30515193192 is an abundant number, since it is smaller than the sum of its proper divisors (52708061688).

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

30515193192 is a wasteful number, since it uses less digits than its factorization.

30515193192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115587873 (or 115587869 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 39.

The spelling of 30515193192 in words is "thirty billion, five hundred fifteen million, one hundred ninety-three thousand, one hundred ninety-two".