213132242343091 has 2 divisors, whose sum is σ = 213132242343092. Its totient is φ = 213132242343090.

The previous prime is 213132242343073. The next prime is 213132242343169. The reversal of 213132242343091 is 190343242231312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213132242343091 - 2²⁵ = 213132208788659 is a prime.

It is not a weakly prime, because it can be changed into another prime (213132242343001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106566121171545 + 106566121171546.

It is an arithmetic number, because the mean of its divisors is an integer number (106566121171546).

Almost surely, 2^{213132242343091} is an apocalyptic number.

213132242343091 is a deficient number, since it is larger than the sum of its proper divisors (1).

213132242343091 is an equidigital number, since it uses as much as digits as its factorization.

213132242343091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 213132242343091 in words is "two hundred thirteen trillion, one hundred thirty-two billion, two hundred forty-two million, three hundred forty-three thousand, ninety-one".