231323290199 has 2 divisors, whose sum is σ = 231323290200. Its totient is φ = 231323290198.

The previous prime is 231323290183. The next prime is 231323290213. The reversal of 231323290199 is 991092323132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231323290199 - 2⁴ = 231323290183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231323290999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115661645099 + 115661645100.

It is an arithmetic number, because the mean of its divisors is an integer number (115661645100).

Almost surely, 2^231323290199 is an apocalyptic number.

231323290199 is a deficient number, since it is larger than the sum of its proper divisors (1).

231323290199 is an equidigital number, since it uses as much as digits as its factorization.

231323290199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 44.

The spelling of 231323290199 in words is "two hundred thirty-one billion, three hundred twenty-three million, two hundred ninety thousand, one hundred ninety-nine".