211234313 has 4 divisors (see below), whose sum is σ = 211981008. Its totient is φ = 210487620.

The previous prime is 211234271. The next prime is 211234319. The reversal of 211234313 is 313432112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211234313 - 2¹⁶ = 211168777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211234319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372923 + ... + 373488.

It is an arithmetic number, because the mean of its divisors is an integer number (52995252).

Almost surely, 2^211234313 is an apocalyptic number.

It is an amenable number.

211234313 is a deficient number, since it is larger than the sum of its proper divisors (746695).

211234313 is an equidigital number, since it uses as much as digits as its factorization.

211234313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746694.

The product of its digits is 432, while the sum is 20.

The square root of 211234313 is about 14533.9021945244. The cubic root of 211234313 is about 595.5544703095.

Adding to 211234313 its reverse (313432112), we get a palindrome (524666425).

The spelling of 211234313 in words is "two hundred eleven million, two hundred thirty-four thousand, three hundred thirteen".