213424211 has 32 divisors (see below), whose sum is σ = 289529856. Its totient is φ = 151920000.

The previous prime is 213424193. The next prime is 213424223. The reversal of 213424211 is 112424312.

It is a cyclic number.

It is not a de Polignac number, because 213424211 - 2¹⁴ = 213407827 is a prime.

It is a Smith number, since the sum of its digits (20) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (213424231) 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 in 31 ways as a sum of consecutive naturals, for example, 100046 + ... + 102156.

It is an arithmetic number, because the mean of its divisors is an integer number (9047808).

Almost surely, 2^213424211 is an apocalyptic number.

213424211 is a deficient number, since it is larger than the sum of its proper divisors (76105645).

213424211 is a wasteful number, since it uses less digits than its factorization.

213424211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243.

The product of its digits is 384, while the sum is 20.

The square root of 213424211 is about 14609.0455198141. The cubic root of 213424211 is about 597.6054665808.

Adding to 213424211 its reverse (112424312), we get a palindrome (325848523).

It can be divided in two parts, 213 and 424211, that added together give a palindrome (424424).

The spelling of 213424211 in words is "two hundred thirteen million, four hundred twenty-four thousand, two hundred eleven".