232102221613 has 2 divisors, whose sum is σ = 232102221614. Its totient is φ = 232102221612.

The previous prime is 232102221577. The next prime is 232102221623. The reversal of 232102221613 is 316122201232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129072777289 + 103029444324 = 359267^2 + 320982^2 .

It is a cyclic number.

It is not a de Polignac number, because 232102221613 - 2³³ = 223512287021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232102221623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116051110806 + 116051110807.

It is an arithmetic number, because the mean of its divisors is an integer number (116051110807).

Almost surely, 2^232102221613 is an apocalyptic number.

It is an amenable number.

232102221613 is a deficient number, since it is larger than the sum of its proper divisors (1).

232102221613 is an equidigital number, since it uses as much as digits as its factorization.

232102221613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 232102221613 its reverse (316122201232), we get a palindrome (548224422845).

The spelling of 232102221613 in words is "two hundred thirty-two billion, one hundred two million, two hundred twenty-one thousand, six hundred thirteen".