231531503114422 has 32 divisors (see below), whose sum is σ = 398844831969792. Its totient is φ = 98744772197184.

The previous prime is 231531503114399. The next prime is 231531503114441. The reversal of 231531503114422 is 224411305135132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10077058 + ... + 23761525.

It is an arithmetic number, because the mean of its divisors is an integer number (12463900999056).

Almost surely, 2^{231531503114422} is an apocalyptic number.

231531503114422 is a deficient number, since it is larger than the sum of its proper divisors (167313328855370).

231531503114422 is a wasteful number, since it uses less digits than its factorization.

231531503114422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33840972.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 231531503114422 its reverse (224411305135132), we get a palindrome (455942808249554).

The spelling of 231531503114422 in words is "two hundred thirty-one trillion, five hundred thirty-one billion, five hundred three million, one hundred fourteen thousand, four hundred twenty-two".