213543805211 has 32 divisors (see below), whose sum is σ = 239358240000. Its totient is φ = 188868620160.

The previous prime is 213543805193. The next prime is 213543805231. The reversal of 213543805211 is 112508345312.

213543805211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-213543805211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213543805231) 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 31 ways as a sum of consecutive naturals, for example, 103210085 + ... + 103212153.

It is an arithmetic number, because the mean of its divisors is an integer number (7479945000).

Almost surely, 2^213543805211 is an apocalyptic number.

213543805211 is a deficient number, since it is larger than the sum of its proper divisors (25814434789).

213543805211 is a wasteful number, since it uses less digits than its factorization.

213543805211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 213543805211 in words is "two hundred thirteen billion, five hundred forty-three million, eight hundred five thousand, two hundred eleven".