231331430411 has 2 divisors, whose sum is σ = 231331430412. Its totient is φ = 231331430410.

The previous prime is 231331430387. The next prime is 231331430413. The reversal of 231331430411 is 114034133132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231331430411 - 2¹⁰ = 231331429387 is a prime.

Together with 231331430413, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (231331430413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115665715205 + 115665715206.

It is an arithmetic number, because the mean of its divisors is an integer number (115665715206).

Almost surely, 2^231331430411 is an apocalyptic number.

231331430411 is a deficient number, since it is larger than the sum of its proper divisors (1).

231331430411 is an equidigital number, since it uses as much as digits as its factorization.

231331430411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 231331430411 its reverse (114034133132), we get a palindrome (345365563543).

The spelling of 231331430411 in words is "two hundred thirty-one billion, three hundred thirty-one million, four hundred thirty thousand, four hundred eleven".