231109868167 has 2 divisors, whose sum is σ = 231109868168. Its totient is φ = 231109868166.

The previous prime is 231109868153. The next prime is 231109868179. The reversal of 231109868167 is 761868901132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231109868167 - 2⁷ = 231109868039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231109866167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115554934083 + 115554934084.

It is an arithmetic number, because the mean of its divisors is an integer number (115554934084).

Almost surely, 2^231109868167 is an apocalyptic number.

231109868167 is a deficient number, since it is larger than the sum of its proper divisors (1).

231109868167 is an equidigital number, since it uses as much as digits as its factorization.

231109868167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 231109868167 in words is "two hundred thirty-one billion, one hundred nine million, eight hundred sixty-eight thousand, one hundred sixty-seven".