211343400213 has 32 divisors (see below), whose sum is σ = 310630754304. Its totient is φ = 126745800000.

The previous prime is 211343400181. The next prime is 211343400251. The reversal of 211343400213 is 312004343112.

It is a happy number.

It is not a de Polignac number, because 211343400213 - 2⁵ = 211343400181 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211343400313) 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 31 ways as a sum of consecutive naturals, for example, 6085408 + ... + 6120038.

It is an arithmetic number, because the mean of its divisors is an integer number (9707211072).

Almost surely, 2^211343400213 is an apocalyptic number.

It is an amenable number.

211343400213 is a deficient number, since it is larger than the sum of its proper divisors (99287354091).

211343400213 is a wasteful number, since it uses less digits than its factorization.

211343400213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36577.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 211343400213 its reverse (312004343112), we get a palindrome (523347743325).

The spelling of 211343400213 in words is "two hundred eleven billion, three hundred forty-three million, four hundred thousand, two hundred thirteen".