232113303221 has 4 divisors (see below), whose sum is σ = 232649362092. Its totient is φ = 231577244352.

The previous prime is 232113303209. The next prime is 232113303251. The reversal of 232113303221 is 122303311232.

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 90534190321 + 141579112900 = 300889^2 + 376270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232113303221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232113303251) 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, 268028786 + ... + 268029651.

It is an arithmetic number, because the mean of its divisors is an integer number (58162340523).

Almost surely, 2^232113303221 is an apocalyptic number.

It is an amenable number.

232113303221 is a deficient number, since it is larger than the sum of its proper divisors (536058871).

232113303221 is an equidigital number, since it uses as much as digits as its factorization.

232113303221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536058870.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 232113303221 its reverse (122303311232), we get a palindrome (354416614453).

The spelling of 232113303221 in words is "two hundred thirty-two billion, one hundred thirteen million, three hundred three thousand, two hundred twenty-one".