231635350044691 has 2 divisors, whose sum is σ = 231635350044692. Its totient is φ = 231635350044690.

The previous prime is 231635350044653. The next prime is 231635350044733. The reversal of 231635350044691 is 196440053536132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231635350044691 - 2²³ = 231635341656083 is a prime.

It is not a weakly prime, because it can be changed into another prime (231635350044491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115817675022345 + 115817675022346.

It is an arithmetic number, because the mean of its divisors is an integer number (115817675022346).

Almost surely, 2^{231635350044691} is an apocalyptic number.

231635350044691 is a deficient number, since it is larger than the sum of its proper divisors (1).

231635350044691 is an equidigital number, since it uses as much as digits as its factorization.

231635350044691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6998400, while the sum is 52.

The spelling of 231635350044691 in words is "two hundred thirty-one trillion, six hundred thirty-five billion, three hundred fifty million, forty-four thousand, six hundred ninety-one".