213320132617 has 2 divisors, whose sum is σ = 213320132618. Its totient is φ = 213320132616.

The previous prime is 213320132611. The next prime is 213320132687. The reversal of 213320132617 is 716231023312.

213320132617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182654519161 + 30665613456 = 427381^2 + 175116^2 .

It is a cyclic number.

It is not a de Polignac number, because 213320132617 - 2¹⁵ = 213320099849 is a prime.

It is not a weakly prime, because it can be changed into another prime (213320132611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106660066308 + 106660066309.

It is an arithmetic number, because the mean of its divisors is an integer number (106660066309).

Almost surely, 2^213320132617 is an apocalyptic number.

It is an amenable number.

213320132617 is a deficient number, since it is larger than the sum of its proper divisors (1).

213320132617 is an equidigital number, since it uses as much as digits as its factorization.

213320132617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

Adding to 213320132617 its reverse (716231023312), we get a palindrome (929551155929).

The spelling of 213320132617 in words is "two hundred thirteen billion, three hundred twenty million, one hundred thirty-two thousand, six hundred seventeen".