213315211 has 8 divisors (see below), whose sum is σ = 214875648. Its totient is φ = 211761000.

The previous prime is 213315209. The next prime is 213315233. The reversal of 213315211 is 112513312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213315211 - 2¹ = 213315209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213315241) 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 in 7 ways as a sum of consecutive naturals, for example, 83016 + ... + 85546.

It is an arithmetic number, because the mean of its divisors is an integer number (26859456).

Almost surely, 2^213315211 is an apocalyptic number.

213315211 is a deficient number, since it is larger than the sum of its proper divisors (1560437).

213315211 is a wasteful number, since it uses less digits than its factorization.

213315211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3113.

The product of its digits is 180, while the sum is 19.

The square root of 213315211 is about 14605.3144779563. The cubic root of 213315211 is about 597.5037129138.

Adding to 213315211 its reverse (112513312), we get a palindrome (325828523).

The spelling of 213315211 in words is "two hundred thirteen million, three hundred fifteen thousand, two hundred eleven".