211342330343 has 2 divisors, whose sum is σ = 211342330344. Its totient is φ = 211342330342.

The previous prime is 211342330271. The next prime is 211342330349. The reversal of 211342330343 is 343033243112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211342330343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211342330349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105671165171 + 105671165172.

It is an arithmetic number, because the mean of its divisors is an integer number (105671165172).

Almost surely, 2^211342330343 is an apocalyptic number.

211342330343 is a deficient number, since it is larger than the sum of its proper divisors (1).

211342330343 is an equidigital number, since it uses as much as digits as its factorization.

211342330343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 211342330343 its reverse (343033243112), we get a palindrome (554375573455).

The spelling of 211342330343 in words is "two hundred eleven billion, three hundred forty-two million, three hundred thirty thousand, three hundred forty-three".