211344113 has 2 divisors, whose sum is σ = 211344114. Its totient is φ = 211344112.

The previous prime is 211344061. The next prime is 211344127. The reversal of 211344113 is 311443112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115949824 + 95394289 = 10768^2 + 9767^2 .

It is a cyclic number.

It is not a de Polignac number, because 211344113 - 2⁸ = 211343857 is a prime.

It is not a weakly prime, because it can be changed into another prime (211341113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105672056 + 105672057.

It is an arithmetic number, because the mean of its divisors is an integer number (105672057).

Almost surely, 2^211344113 is an apocalyptic number.

It is an amenable number.

211344113 is a deficient number, since it is larger than the sum of its proper divisors (1).

211344113 is an equidigital number, since it uses as much as digits as its factorization.

211344113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 20.

The square root of 211344113 is about 14537.6790788626. The cubic root of 211344113 is about 595.6576425528.

Adding to 211344113 its reverse (311443112), we get a palindrome (522787225).

The spelling of 211344113 in words is "two hundred eleven million, three hundred forty-four thousand, one hundred thirteen".