230013351221 has 2 divisors, whose sum is σ = 230013351222. Its totient is φ = 230013351220.

The previous prime is 230013351187. The next prime is 230013351223. The reversal of 230013351221 is 122153310032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116356714321 + 113656636900 = 341111^2 + 337130^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230013351221 is a prime.

It is a super-2 number, since 2×230013351221² (a number of 24 digits) contains 22 as substring.

Together with 230013351223, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230013351223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115006675610 + 115006675611.

It is an arithmetic number, because the mean of its divisors is an integer number (115006675611).

Almost surely, 2^230013351221 is an apocalyptic number.

It is an amenable number.

230013351221 is a deficient number, since it is larger than the sum of its proper divisors (1).

230013351221 is an equidigital number, since it uses as much as digits as its factorization.

230013351221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 230013351221 its reverse (122153310032), we get a palindrome (352166661253).

The spelling of 230013351221 in words is "two hundred thirty billion, thirteen million, three hundred fifty-one thousand, two hundred twenty-one".