213211133 has 8 divisors (see below), whose sum is σ = 215594496. Its totient is φ = 210834000.

The previous prime is 213211099. The next prime is 213211139. The reversal of 213211133 is 331112312.

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 213211133 - 2²⁶ = 146102269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213211139) 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 in 7 ways as a sum of consecutive naturals, for example, 108308 + ... + 110258.

It is an arithmetic number, because the mean of its divisors is an integer number (26949312).

Almost surely, 2^213211133 is an apocalyptic number.

It is an amenable number.

213211133 is a deficient number, since it is larger than the sum of its proper divisors (2383363).

213211133 is a wasteful number, since it uses less digits than its factorization.

213211133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3115.

The product of its digits is 108, while the sum is 17.

The square root of 213211133 is about 14601.7510251339. The cubic root of 213211133 is about 597.4065216763.

Adding to 213211133 its reverse (331112312), we get a palindrome (544323445).

The spelling of 213211133 in words is "two hundred thirteen million, two hundred eleven thousand, one hundred thirty-three".