232001222100231 has 4 divisors (see below), whose sum is σ = 309334962800312. Its totient is φ = 154667481400152.

The previous prime is 232001222100163. The next prime is 232001222100239. The reversal of 232001222100231 is 132001222100232.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 232001222100231 - 2⁷ = 232001222100103 is a prime.

It is a super-2 number, since 2×232001222100231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232001222100198 and 232001222100207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232001222100239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38666870350036 + ... + 38666870350041.

It is an arithmetic number, because the mean of its divisors is an integer number (77333740700078).

Almost surely, 2^{232001222100231} is an apocalyptic number.

232001222100231 is a deficient number, since it is larger than the sum of its proper divisors (77333740700081).

232001222100231 is an equidigital number, since it uses as much as digits as its factorization.

232001222100231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77333740700080.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 232001222100231 its reverse (132001222100232), we get a palindrome (364002444200463).

Subtracting from 232001222100231 its reverse (132001222100232), we obtain a palindrome (99999999999999).

The spelling of 232001222100231 in words is "two hundred thirty-two trillion, one billion, two hundred twenty-two million, one hundred thousand, two hundred thirty-one".