211003242343613 has 2 divisors, whose sum is σ = 211003242343614. Its totient is φ = 211003242343612.

The previous prime is 211003242343601. The next prime is 211003242343703. The reversal of 211003242343613 is 316343242300112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132451855965529 + 78551386378084 = 11508773^2 + 8862922^2 .

It is a cyclic number.

It is not a de Polignac number, because 211003242343613 - 2⁸ = 211003242343357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211003242345613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105501621171806 + 105501621171807.

It is an arithmetic number, because the mean of its divisors is an integer number (105501621171807).

Almost surely, 2^{211003242343613} is an apocalyptic number.

It is an amenable number.

211003242343613 is a deficient number, since it is larger than the sum of its proper divisors (1).

211003242343613 is an equidigital number, since it uses as much as digits as its factorization.

211003242343613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 211003242343613 its reverse (316343242300112), we get a palindrome (527346484643725).

The spelling of 211003242343613 in words is "two hundred eleven trillion, three billion, two hundred forty-two million, three hundred forty-three thousand, six hundred thirteen".