213311210009 has 2 divisors, whose sum is σ = 213311210010. Its totient is φ = 213311210008.

The previous prime is 213311209987. The next prime is 213311210017. The reversal of 213311210009 is 900012113312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 175297129225 + 38014080784 = 418685^2 + 194972^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213311210009 is a prime.

It is not a weakly prime, because it can be changed into another prime (213311210059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106655605004 + 106655605005.

It is an arithmetic number, because the mean of its divisors is an integer number (106655605005).

Almost surely, 2^213311210009 is an apocalyptic number.

It is an amenable number.

213311210009 is a deficient number, since it is larger than the sum of its proper divisors (1).

213311210009 is an equidigital number, since it uses as much as digits as its factorization.

213311210009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 213311210009 in words is "two hundred thirteen billion, three hundred eleven million, two hundred ten thousand, nine".