211311214343 has 2 divisors, whose sum is σ = 211311214344. Its totient is φ = 211311214342.

The previous prime is 211311214291. The next prime is 211311214349. The reversal of 211311214343 is 343412113112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211311214343 - 2¹⁰ = 211311213319 is a prime.

It is a super-2 number, since 2×211311214343² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211311214349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105655607171 + 105655607172.

It is an arithmetic number, because the mean of its divisors is an integer number (105655607172).

Almost surely, 2^211311214343 is an apocalyptic number.

211311214343 is a deficient number, since it is larger than the sum of its proper divisors (1).

211311214343 is an equidigital number, since it uses as much as digits as its factorization.

211311214343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 26.

Adding to 211311214343 its reverse (343412113112), we get a palindrome (554723327455).

The spelling of 211311214343 in words is "two hundred eleven billion, three hundred eleven million, two hundred fourteen thousand, three hundred forty-three".