30123101232113 has 4 divisors (see below), whose sum is σ = 30125438362020. Its totient is φ = 30120764102208.

The previous prime is 30123101232079. The next prime is 30123101232121. The reversal of 30123101232113 is 31123210132103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12869237866384 + 17253863365729 = 3587372^2 + 4153777^2 .

It is a cyclic number.

It is not a de Polignac number, because 30123101232113 - 2³⁴ = 30105921362929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30123101232173) 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, 1168545620 + ... + 1168571397.

It is an arithmetic number, because the mean of its divisors is an integer number (7531359590505).

Almost surely, 2^{30123101232113} is an apocalyptic number.

It is an amenable number.

30123101232113 is a deficient number, since it is larger than the sum of its proper divisors (2337129907).

30123101232113 is a wasteful number, since it uses less digits than its factorization.

30123101232113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337129906.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 30123101232113 its reverse (31123210132103), we get a palindrome (61246311364216).

The spelling of 30123101232113 in words is "thirty trillion, one hundred twenty-three billion, one hundred one million, two hundred thirty-two thousand, one hundred thirteen".