231341223439 has 2 divisors, whose sum is σ = 231341223440. Its totient is φ = 231341223438.

The previous prime is 231341223413. The next prime is 231341223457. The reversal of 231341223439 is 934322143132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231341223439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231341223398 and 231341223407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231341223409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115670611719 + 115670611720.

It is an arithmetic number, because the mean of its divisors is an integer number (115670611720).

Almost surely, 2^231341223439 is an apocalyptic number.

231341223439 is a deficient number, since it is larger than the sum of its proper divisors (1).

231341223439 is an equidigital number, since it uses as much as digits as its factorization.

231341223439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 37.

The spelling of 231341223439 in words is "two hundred thirty-one billion, three hundred forty-one million, two hundred twenty-three thousand, four hundred thirty-nine".