232221203535231 has 12 divisors (see below), whose sum is σ = 337168609856208. Its totient is φ = 154011989908224.

The previous prime is 232221203535143. The next prime is 232221203535239. The reversal of 232221203535231 is 132535302122232.

232221203535231 is a `hidden beast` number, since 2 + 3 + 2 + 2 + 2 + 120 + 3 + 5 + 3 + 523 + 1 = 666.

It is not a de Polignac number, because 232221203535231 - 2¹⁰ = 232221203534207 is a prime.

It is a super-2 number, since 2×232221203535231² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232221203535239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66845479995 + ... + 66845483468.

It is an arithmetic number, because the mean of its divisors is an integer number (28097384154684).

Almost surely, 2^{232221203535231} is an apocalyptic number.

232221203535231 is a deficient number, since it is larger than the sum of its proper divisors (104947406320977).

232221203535231 is a wasteful number, since it uses less digits than its factorization.

232221203535231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133690963662 (or 133690963659 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 232221203535231 its reverse (132535302122232), we get a palindrome (364756505657463).

The spelling of 232221203535231 in words is "two hundred thirty-two trillion, two hundred twenty-one billion, two hundred three million, five hundred thirty-five thousand, two hundred thirty-one".