211303340327 has 2 divisors, whose sum is σ = 211303340328. Its totient is φ = 211303340326.

The previous prime is 211303340309. The next prime is 211303340329. The reversal of 211303340327 is 723043303112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211303340327 - 2⁶ = 211303340263 is a prime.

Together with 211303340329, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211303340327.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211303340329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105651670163 + 105651670164.

It is an arithmetic number, because the mean of its divisors is an integer number (105651670164).

Almost surely, 2^211303340327 is an apocalyptic number.

211303340327 is a deficient number, since it is larger than the sum of its proper divisors (1).

211303340327 is an equidigital number, since it uses as much as digits as its factorization.

211303340327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 29.

Adding to 211303340327 its reverse (723043303112), we get a palindrome (934346643439).

The spelling of 211303340327 in words is "two hundred eleven billion, three hundred three million, three hundred forty thousand, three hundred twenty-seven".