230030331221 has 4 divisors (see below), whose sum is σ = 230630932992. Its totient is φ = 229429729452.

The previous prime is 230030331163. The next prime is 230030331239. The reversal of 230030331221 is 122133030032.

230030331221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 230030331221 - 2¹⁸ = 230030069077 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 = 230030331193 and 230030331202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230030331821) 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, 300300311 + ... + 300301076.

It is an arithmetic number, because the mean of its divisors is an integer number (57657733248).

Almost surely, 2^230030331221 is an apocalyptic number.

It is an amenable number.

230030331221 is a deficient number, since it is larger than the sum of its proper divisors (600601771).

230030331221 is an equidigital number, since it uses as much as digits as its factorization.

230030331221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600601770.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 230030331221 its reverse (122133030032), we get a palindrome (352163361253).

The spelling of 230030331221 in words is "two hundred thirty billion, thirty million, three hundred thirty-one thousand, two hundred twenty-one".