30023131232121 has 16 divisors (see below), whose sum is σ = 40063747214400. Its totient is φ = 19998969681600.

The previous prime is 30023131232111. The next prime is 30023131232141. The reversal of 30023131232121 is 12123213132003.

It is not a de Polignac number, because 30023131232121 - 2⁵ = 30023131232089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30023131232091 and 30023131232100.

It is not an unprimeable number, because it can be changed into a prime (30023131232111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76689951 + ... + 77080443.

It is an arithmetic number, because the mean of its divisors is an integer number (2503984200900).

Almost surely, 2^{30023131232121} is an apocalyptic number.

It is an amenable number.

30023131232121 is a deficient number, since it is larger than the sum of its proper divisors (10040615982279).

30023131232121 is a wasteful number, since it uses less digits than its factorization.

30023131232121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411496.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 30023131232121 its reverse (12123213132003), we get a palindrome (42146344364124).

The spelling of 30023131232121 in words is "thirty trillion, twenty-three billion, one hundred thirty-one million, two hundred thirty-two thousand, one hundred twenty-one".