232234303531221 has 24 divisors (see below), whose sum is σ = 335526319365120. Its totient is φ = 154787438821536.

The previous prime is 232234303531169. The next prime is 232234303531231. The reversal of 232234303531221 is 122135303432232.

232234303531221 is a `hidden beast` number, since 2 + 3 + 2 + 2 + 34 + 303 + 5 + 312 + 2 + 1 = 666.

232234303531221 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 232234303531221 - 2⁷ = 232234303531093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232234303531231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1900803291 + ... + 1900925463.

It is an arithmetic number, because the mean of its divisors is an integer number (13980263306880).

Almost surely, 2^{232234303531221} is an apocalyptic number.

It is an amenable number.

232234303531221 is a deficient number, since it is larger than the sum of its proper divisors (103292015833899).

232234303531221 is a wasteful number, since it uses less digits than its factorization.

232234303531221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168785 (or 168782 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

Adding to 232234303531221 its reverse (122135303432232), we get a palindrome (354369606963453).

The spelling of 232234303531221 in words is "two hundred thirty-two trillion, two hundred thirty-four billion, three hundred three million, five hundred thirty-one thousand, two hundred twenty-one".