30685010188 has 24 divisors (see below), whose sum is σ = 61776452864. Its totient is φ = 13063626000.

The previous prime is 30685010143. The next prime is 30685010197. The reversal of 30685010188 is 88101058603.

It is a self number, because there is not a number n which added to its sum of digits gives 30685010188.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3624558 + ... + 3633013.

Almost surely, 2^30685010188 is an apocalyptic number.

It is an amenable number.

30685010188 is an abundant number, since it is smaller than the sum of its proper divisors (31091442676).

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

30685010188 is a wasteful number, since it uses less digits than its factorization.

30685010188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7257733 (or 7257731 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

The spelling of 30685010188 in words is "thirty billion, six hundred eighty-five million, ten thousand, one hundred eighty-eight".