213302302813 has 2 divisors, whose sum is σ = 213302302814. Its totient is φ = 213302302812.

The previous prime is 213302302789. The next prime is 213302302817. The reversal of 213302302813 is 318203203312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176116194244 + 37186108569 = 419662^2 + 192837^2 .

It is a cyclic number.

It is not a de Polignac number, because 213302302813 - 2²¹ = 213300205661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213302302817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106651151406 + 106651151407.

It is an arithmetic number, because the mean of its divisors is an integer number (106651151407).

Almost surely, 2^213302302813 is an apocalyptic number.

It is an amenable number.

213302302813 is a deficient number, since it is larger than the sum of its proper divisors (1).

213302302813 is an equidigital number, since it uses as much as digits as its factorization.

213302302813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 213302302813 in words is "two hundred thirteen billion, three hundred two million, three hundred two thousand, eight hundred thirteen".