211403324343 has 8 divisors (see below), whose sum is σ = 281951395456. Its totient is φ = 140895401400.

The previous prime is 211403324333. The next prime is 211403324347. The reversal of 211403324343 is 343423304112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211403324343 - 2²⁵ = 211369769911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211403324343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211403324347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10024753 + ... + 10045818.

It is an arithmetic number, because the mean of its divisors is an integer number (35243924432).

Almost surely, 2^211403324343 is an apocalyptic number.

211403324343 is a deficient number, since it is larger than the sum of its proper divisors (70548071113).

211403324343 is a wasteful number, since it uses less digits than its factorization.

211403324343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20074085.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 211403324343 its reverse (343423304112), we get a palindrome (554826628455).

The spelling of 211403324343 in words is "two hundred eleven billion, four hundred three million, three hundred twenty-four thousand, three hundred forty-three".