213415211 has 2 divisors, whose sum is σ = 213415212. Its totient is φ = 213415210.

The previous prime is 213415207. The next prime is 213415231. The reversal of 213415211 is 112514312.

It is an a-pointer prime, because the next prime (213415231) can be obtained adding 213415211 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213415211 - 2² = 213415207 is a prime.

It is not a weakly prime, because it can be changed into another prime (213415231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106707605 + 106707606.

It is an arithmetic number, because the mean of its divisors is an integer number (106707606).

Almost surely, 2^213415211 is an apocalyptic number.

213415211 is a deficient number, since it is larger than the sum of its proper divisors (1).

213415211 is an equidigital number, since it uses as much as digits as its factorization.

213415211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 20.

The square root of 213415211 is about 14608.7374882294. The cubic root of 213415211 is about 597.5970662142.

Adding to 213415211 its reverse (112514312), we get a palindrome (325929523).

The spelling of 213415211 in words is "two hundred thirteen million, four hundred fifteen thousand, two hundred eleven".