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211311323 is a prime number
BaseRepresentation
bin11001001100001…
…01101011011011
3112201121201122022
430212011223123
5413043430243
632545045055
75144054666
oct1446055333
9481551568
10211311323
11a9309363
125a92678b
1334a179b2
14200c86dd
1513840b68
hexc985adb

211311323 has 2 divisors, whose sum is σ = 211311324. Its totient is φ = 211311322.

The previous prime is 211311319. The next prime is 211311341. The reversal of 211311323 is 323113112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211311323 - 22 = 211311319 is a prime.

It is not a weakly prime, because it can be changed into another prime (211311223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105655661 + 105655662.

It is an arithmetic number, because the mean of its divisors is an integer number (105655662).

Almost surely, 2211311323 is an apocalyptic number.

211311323 is a deficient number, since it is larger than the sum of its proper divisors (1).

211311323 is an equidigital number, since it uses as much as digits as its factorization.

211311323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 17.

The square root of 211311323 is about 14536.5512760077. The cubic root of 211311323 is about 595.6268355685.

Adding to 211311323 its reverse (323113112), we get a palindrome (534424435).

The spelling of 211311323 in words is "two hundred eleven million, three hundred eleven thousand, three hundred twenty-three".