231303410431 has 2 divisors, whose sum is σ = 231303410432. Its totient is φ = 231303410430.

The previous prime is 231303410417. The next prime is 231303410449. The reversal of 231303410431 is 134014303132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231303410431 - 2⁵ = 231303410399 is a prime.

It is a super-2 number, since 2×231303410431² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231303410396 and 231303410405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231303410411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115651705215 + 115651705216.

It is an arithmetic number, because the mean of its divisors is an integer number (115651705216).

Almost surely, 2^231303410431 is an apocalyptic number.

231303410431 is a deficient number, since it is larger than the sum of its proper divisors (1).

231303410431 is an equidigital number, since it uses as much as digits as its factorization.

231303410431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 231303410431 its reverse (134014303132), we get a palindrome (365317713563).

The spelling of 231303410431 in words is "two hundred thirty-one billion, three hundred three million, four hundred ten thousand, four hundred thirty-one".