232031110221 has 16 divisors (see below), whose sum is σ = 344066073600. Its totient is φ = 154545080544.

The previous prime is 232031110217. The next prime is 232031110249. The reversal of 232031110221 is 122011130232.

232031110221 is a `hidden beast` number, since 2 + 320 + 311 + 10 + 2 + 21 = 666.

It is not a de Polignac number, because 232031110221 - 2² = 232031110217 is a prime.

It is a super-2 number, since 2×232031110221² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 232031110194 and 232031110203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232031110271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3923616 + ... + 3982313.

It is an arithmetic number, because the mean of its divisors is an integer number (21504129600).

Almost surely, 2^232031110221 is an apocalyptic number.

It is an amenable number.

232031110221 is a deficient number, since it is larger than the sum of its proper divisors (112034963379).

232031110221 is a wasteful number, since it uses less digits than its factorization.

232031110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7907025 (or 7907019 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 232031110221 its reverse (122011130232), we get a palindrome (354042240453).

The spelling of 232031110221 in words is "two hundred thirty-two billion, thirty-one million, one hundred ten thousand, two hundred twenty-one".