213342243313 has 2 divisors, whose sum is σ = 213342243314. Its totient is φ = 213342243312.

The previous prime is 213342243293. The next prime is 213342243341. The reversal of 213342243313 is 313342243312.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142334916529 + 71007326784 = 377273^2 + 266472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213342243313 is a prime.

It is not a weakly prime, because it can be changed into another prime (213342243343) 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, 106671121656 + 106671121657.

It is an arithmetic number, because the mean of its divisors is an integer number (106671121657).

Almost surely, 2^213342243313 is an apocalyptic number.

It is an amenable number.

213342243313 is a deficient number, since it is larger than the sum of its proper divisors (1).

213342243313 is an equidigital number, since it uses as much as digits as its factorization.

213342243313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 31.

Adding to 213342243313 its reverse (313342243312), we get a palindrome (526684486625).

Subtracting 213342243313 from its reverse (313342243312), we obtain a palindrome (99999999999).

The spelling of 213342243313 in words is "two hundred thirteen billion, three hundred forty-two million, two hundred forty-three thousand, three hundred thirteen".