30113375920 has 20 divisors (see below), whose sum is σ = 70013599200. Its totient is φ = 12045350336.

The previous prime is 30113375879. The next prime is 30113375923. The reversal of 30113375920 is 2957331103.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (30113375923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188208520 + ... + 188208679.

It is an arithmetic number, because the mean of its divisors is an integer number (3500679960).

Almost surely, 2^30113375920 is an apocalyptic number.

It is an amenable number.

30113375920 is an abundant number, since it is smaller than the sum of its proper divisors (39900223280).

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

30113375920 is a wasteful number, since it uses less digits than its factorization.

30113375920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376417212 (or 376417206 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 34.

The spelling of 30113375920 in words is "thirty billion, one hundred thirteen million, three hundred seventy-five thousand, nine hundred twenty".