231313210422 has 64 divisors (see below), whose sum is σ = 531294910464. Its totient is φ = 65767697280.

The previous prime is 231313210417. The next prime is 231313210489. The reversal of 231313210422 is 224012313132.

It is a junction number, because it is equal to n+sod(n) for n = 231313210392 and 231313210401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9970428 + ... + 9993600.

It is an arithmetic number, because the mean of its divisors is an integer number (8301482976).

Almost surely, 2^231313210422 is an apocalyptic number.

231313210422 is an abundant number, since it is smaller than the sum of its proper divisors (299981700042).

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

231313210422 is a wasteful number, since it uses less digits than its factorization.

231313210422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24333.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 231313210422 its reverse (224012313132), we get a palindrome (455325523554).

The spelling of 231313210422 in words is "two hundred thirty-one billion, three hundred thirteen million, two hundred ten thousand, four hundred twenty-two".