212311122313 has 4 divisors (see below), whose sum is σ = 212325337728. Its totient is φ = 212296906900.

The previous prime is 212311122293. The next prime is 212311122371. The reversal of 212311122313 is 313221113212.

212311122313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212311122313 - 2²⁹ = 211774251401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212311122013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7085281 + ... + 7115182.

It is an arithmetic number, because the mean of its divisors is an integer number (53081334432).

Almost surely, 2^212311122313 is an apocalyptic number.

It is an amenable number.

212311122313 is a deficient number, since it is larger than the sum of its proper divisors (14215415).

212311122313 is a wasteful number, since it uses less digits than its factorization.

212311122313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14215414.

The product of its digits is 432, while the sum is 22.

Adding to 212311122313 its reverse (313221113212), we get a palindrome (525532235525).

The spelling of 212311122313 in words is "two hundred twelve billion, three hundred eleven million, one hundred twenty-two thousand, three hundred thirteen".