213111302030213 has 2 divisors, whose sum is σ = 213111302030214. Its totient is φ = 213111302030212.

The previous prime is 213111302030197. The next prime is 213111302030261. The reversal of 213111302030213 is 312030203111312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131267019381124 + 81844282649089 = 11457182^2 + 9046783^2 .

It is a cyclic number.

It is not a de Polignac number, because 213111302030213 - 2⁴ = 213111302030197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213111302033213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106555651015106 + 106555651015107.

It is an arithmetic number, because the mean of its divisors is an integer number (106555651015107).

Almost surely, 2^{213111302030213} is an apocalyptic number.

It is an amenable number.

213111302030213 is a deficient number, since it is larger than the sum of its proper divisors (1).

213111302030213 is an equidigital number, since it uses as much as digits as its factorization.

213111302030213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 213111302030213 its reverse (312030203111312), we get a palindrome (525141505141525).

The spelling of 213111302030213 in words is "two hundred thirteen trillion, one hundred eleven billion, three hundred two million, thirty thousand, two hundred thirteen".