211434120343 has 8 divisors (see below), whose sum is σ = 232238851200. Its totient is φ = 191597051448.

The previous prime is 211434120329. The next prime is 211434120367. The reversal of 211434120343 is 343021434112.

It is a happy number.

211434120343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 211434120343 - 2²¹ = 211432023191 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 (211434120323) 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 7 ways as a sum of consecutive naturals, for example, 241915033 + ... + 241915906.

It is an arithmetic number, because the mean of its divisors is an integer number (29029856400).

Almost surely, 2^211434120343 is an apocalyptic number.

211434120343 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

211434120343 is a deficient number, since it is larger than the sum of its proper divisors (20804730857).

211434120343 is a wasteful number, since it uses less digits than its factorization.

211434120343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483830981.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 211434120343 its reverse (343021434112), we get a palindrome (554455554455).

The spelling of 211434120343 in words is "two hundred eleven billion, four hundred thirty-four million, one hundred twenty thousand, three hundred forty-three".