231232230213231 has 48 divisors (see below), whose sum is σ = 337156036588800. Its totient is φ = 140894486343936.

The previous prime is 231232230213221. The next prime is 231232230213289. The reversal of 231232230213231 is 132312032232132.

It is not a de Polignac number, because 231232230213231 - 2²⁶ = 231232163104367 is a prime.

It is a super-2 number, since 2×231232230213231² (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 (231232230213211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15677790 + ... + 26613108.

It is an arithmetic number, because the mean of its divisors is an integer number (7024084095600).

Almost surely, 2^{231232230213231} is an apocalyptic number.

231232230213231 is a deficient number, since it is larger than the sum of its proper divisors (105923806375569).

231232230213231 is a wasteful number, since it uses less digits than its factorization.

231232230213231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10935760 (or 10935747 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 231232230213231 its reverse (132312032232132), we get a palindrome (363544262445363).

The spelling of 231232230213231 in words is "two hundred thirty-one trillion, two hundred thirty-two billion, two hundred thirty million, two hundred thirteen thousand, two hundred thirty-one".