231352525422 has 12 divisors (see below), whose sum is σ = 501263805120. Its totient is φ = 77117508468.

The previous prime is 231352525399. The next prime is 231352525429. The reversal of 231352525422 is 224525253132.

It is a happy number.

231352525422 is a `hidden beast` number, since 2 + 3 + 13 + 52 + 52 + 542 + 2 = 666.

231352525422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231352525429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6426459022 + ... + 6426459057.

It is an arithmetic number, because the mean of its divisors is an integer number (41771983760).

Almost surely, 2^231352525422 is an apocalyptic number.

231352525422 is an abundant number, since it is smaller than the sum of its proper divisors (269911279698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231352525422 is a wasteful number, since it uses less digits than its factorization.

231352525422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12852918087 (or 12852918084 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

Adding to 231352525422 its reverse (224525253132), we get a palindrome (455877778554).

The spelling of 231352525422 in words is "two hundred thirty-one billion, three hundred fifty-two million, five hundred twenty-five thousand, four hundred twenty-two".