30233131121 has 4 divisors (see below), whose sum is σ = 30684371952. Its totient is φ = 29781890292.

The previous prime is 30233131099. The next prime is 30233131133. The reversal of 30233131121 is 12113133203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12113133203 = 173 ⋅70018111.

It is a cyclic number.

It is not a de Polignac number, because 30233131121 - 2³⁴ = 13053261937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30233131093 and 30233131102.

It is not an unprimeable number, because it can be changed into a prime (30233131171) 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, 225620315 + ... + 225620448.

It is an arithmetic number, because the mean of its divisors is an integer number (7671092988).

Almost surely, 2^30233131121 is an apocalyptic number.

It is an amenable number.

30233131121 is a deficient number, since it is larger than the sum of its proper divisors (451240831).

30233131121 is an equidigital number, since it uses as much as digits as its factorization.

30233131121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451240830.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30233131121 its reverse (12113133203), we get a palindrome (42346264324).

The spelling of 30233131121 in words is "thirty billion, two hundred thirty-three million, one hundred thirty-one thousand, one hundred twenty-one".