213342211 has 2 divisors, whose sum is σ = 213342212. Its totient is φ = 213342210.

The previous prime is 213342209. The next prime is 213342251. The reversal of 213342211 is 112243312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213342211 - 2¹ = 213342209 is a prime.

Together with 213342209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (213342251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106671105 + 106671106.

It is an arithmetic number, because the mean of its divisors is an integer number (106671106).

Almost surely, 2^213342211 is an apocalyptic number.

213342211 is a deficient number, since it is larger than the sum of its proper divisors (1).

213342211 is an equidigital number, since it uses as much as digits as its factorization.

213342211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 19.

The square root of 213342211 is about 14606.2387697860. The cubic root of 213342211 is about 597.5289211796.

Adding to 213342211 its reverse (112243312), we get a palindrome (325585523).

It can be divided in two parts, 2133 and 42211, that added together give a palindrome (44344).

The spelling of 213342211 in words is "two hundred thirteen million, three hundred forty-two thousand, two hundred eleven".