213443134211 has 16 divisors (see below), whose sum is σ = 238056854400. Its totient is φ = 190183759488.

The previous prime is 213443134189. The next prime is 213443134231. The reversal of 213443134211 is 112431344312.

It is not a de Polignac number, because 213443134211 - 2⁶ = 213443134147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213443134231) 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 15 ways as a sum of consecutive naturals, for example, 244796 + ... + 697718.

It is an arithmetic number, because the mean of its divisors is an integer number (14878553400).

Almost surely, 2^213443134211 is an apocalyptic number.

213443134211 is a deficient number, since it is larger than the sum of its proper divisors (24613720189).

213443134211 is a wasteful number, since it uses less digits than its factorization.

213443134211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454418.

The product of its digits is 6912, while the sum is 29.

Adding to 213443134211 its reverse (112431344312), we get a palindrome (325874478523).

The spelling of 213443134211 in words is "two hundred thirteen billion, four hundred forty-three million, one hundred thirty-four thousand, two hundred eleven".