211313411 has 2 divisors, whose sum is σ = 211313412. Its totient is φ = 211313410.

The previous prime is 211313393. The next prime is 211313413. The reversal of 211313411 is 114313112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211313411 - 2¹⁴ = 211297027 is a prime.

Together with 211313413, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_11670020 and since 211313411 and 11670020 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211313411.

It is not a weakly prime, because it can be changed into another prime (211313413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105656705 + 105656706.

It is an arithmetic number, because the mean of its divisors is an integer number (105656706).

Almost surely, 2^211313411 is an apocalyptic number.

211313411 is a deficient number, since it is larger than the sum of its proper divisors (1).

211313411 is an equidigital number, since it uses as much as digits as its factorization.

211313411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72, while the sum is 17.

The square root of 211313411 is about 14536.6230947906. The cubic root of 211313411 is about 595.6287973892.

Adding to 211313411 its reverse (114313112), we get a palindrome (325626523).

It can be divided in two parts, 21131 and 3411, that added together give a palindrome (24542).

The spelling of 211313411 in words is "two hundred eleven million, three hundred thirteen thousand, four hundred eleven".