30230232121 has 4 divisors (see below), whose sum is σ = 30230864244. Its totient is φ = 30229600000.

The previous prime is 30230232083. The next prime is 30230232139. The reversal of 30230232121 is 12123203203.

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 26965252521 + 3264979600 = 164211^2 + 57140^2 .

It is a cyclic number.

It is not a de Polignac number, because 30230232121 - 2¹⁵ = 30230199353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30230232181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237880 + ... + 342121.

It is an arithmetic number, because the mean of its divisors is an integer number (7557716061).

Almost surely, 2^30230232121 is an apocalyptic number.

It is an amenable number.

30230232121 is a deficient number, since it is larger than the sum of its proper divisors (632123).

30230232121 is an equidigital number, since it uses as much as digits as its factorization.

30230232121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632122.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30230232121 its reverse (12123203203), we get a palindrome (42353435324).

The spelling of 30230232121 in words is "thirty billion, two hundred thirty million, two hundred thirty-two thousand, one hundred twenty-one".