231324411431 has 4 divisors (see below), whose sum is σ = 231330666864. Its totient is φ = 231318156000.

The previous prime is 231324411391. The next prime is 231324411433. The reversal of 231324411431 is 134114423132.

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

It is a cyclic number.

It is not a de Polignac number, because 231324411431 - 2¹⁰ = 231324410407 is a prime.

It is a super-2 number, since 2×231324411431² (a number of 24 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 = 231324411394 and 231324411403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231324411433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3071915 + ... + 3146316.

It is an arithmetic number, because the mean of its divisors is an integer number (57832666716).

Almost surely, 2^231324411431 is an apocalyptic number.

231324411431 is a deficient number, since it is larger than the sum of its proper divisors (6255433).

231324411431 is an equidigital number, since it uses as much as digits as its factorization.

231324411431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6255432.

The product of its digits is 6912, while the sum is 29.

Adding to 231324411431 its reverse (134114423132), we get a palindrome (365438834563).

The spelling of 231324411431 in words is "two hundred thirty-one billion, three hundred twenty-four million, four hundred eleven thousand, four hundred thirty-one".