211240000343 has 4 divisors (see below), whose sum is σ = 220424348208. Its totient is φ = 202055652480.

The previous prime is 211240000337. The next prime is 211240000373. The reversal of 211240000343 is 343000042112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211240000343 - 2³⁴ = 194060131159 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 (211240000333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4592173898 + ... + 4592173943.

It is an arithmetic number, because the mean of its divisors is an integer number (55106087052).

Almost surely, 2^211240000343 is an apocalyptic number.

211240000343 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

211240000343 is a deficient number, since it is larger than the sum of its proper divisors (9184347865).

211240000343 is an equidigital number, since it uses as much as digits as its factorization.

211240000343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9184347864.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 211240000343 its reverse (343000042112), we get a palindrome (554240042455).

The spelling of 211240000343 in words is "two hundred eleven billion, two hundred forty million, three hundred forty-three", and thus it is an aban number.