30813928198 has 16 divisors (see below), whose sum is σ = 46748090016. Its totient is φ = 15231686400.

The previous prime is 30813928181. The next prime is 30813928199. The reversal of 30813928198 is 89182931803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30813928199) 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, 22615 + ... + 249277.

It is an arithmetic number, because the mean of its divisors is an integer number (2921755626).

Almost surely, 2^30813928198 is an apocalyptic number.

30813928198 is a deficient number, since it is larger than the sum of its proper divisors (15934161818).

30813928198 is a wasteful number, since it uses less digits than its factorization.

30813928198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227439.

The product of its (nonzero) digits is 746496, while the sum is 52.

The spelling of 30813928198 in words is "thirty billion, eight hundred thirteen million, nine hundred twenty-eight thousand, one hundred ninety-eight".