211341402343 has 2 divisors, whose sum is σ = 211341402344. Its totient is φ = 211341402342.

The previous prime is 211341402331. The next prime is 211341402367. The reversal of 211341402343 is 343204143112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211341402343 - 2²⁵ = 211307847911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211341402373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105670701171 + 105670701172.

It is an arithmetic number, because the mean of its divisors is an integer number (105670701172).

Almost surely, 2^211341402343 is an apocalyptic number.

211341402343 is a deficient number, since it is larger than the sum of its proper divisors (1).

211341402343 is an equidigital number, since it uses as much as digits as its factorization.

211341402343 is an odious number, because the sum of its binary digits is odd.

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

Adding to 211341402343 its reverse (343204143112), we get a palindrome (554545545455).

The spelling of 211341402343 in words is "two hundred eleven billion, three hundred forty-one million, four hundred two thousand, three hundred forty-three".