30123112113 has 40 divisors (see below), whose sum is σ = 47025145728. Its totient is φ = 19197603936.

The previous prime is 30123112109. The next prime is 30123112133. The reversal of 30123112113 is 31121132103.

30123112113 is a `hidden beast` number, since 301 + 231 + 121 + 13 = 666.

It is not a de Polignac number, because 30123112113 - 2² = 30123112109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30123112133) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 71695 + ... + 255707.

Almost surely, 2^30123112113 is an apocalyptic number.

It is an amenable number.

30123112113 is a deficient number, since it is larger than the sum of its proper divisors (16902033615).

30123112113 is a wasteful number, since it uses less digits than its factorization.

30123112113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184115 (or 184106 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 30123112113 its reverse (31121132103), we get a palindrome (61244244216).

The spelling of 30123112113 in words is "thirty billion, one hundred twenty-three million, one hundred twelve thousand, one hundred thirteen".