2321312211213 has 4 divisors (see below), whose sum is σ = 3095082948288. Its totient is φ = 1547541474140.

The previous prime is 2321312211199. The next prime is 2321312211247. The reversal of 2321312211213 is 3121122131232.

2321312211213 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 2321312211213 - 2⁸ = 2321312210957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321312211313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386885368533 + ... + 386885368538.

It is an arithmetic number, because the mean of its divisors is an integer number (773770737072).

Almost surely, 2^{2321312211213} is an apocalyptic number.

It is an amenable number.

2321312211213 is a deficient number, since it is larger than the sum of its proper divisors (773770737075).

2321312211213 is an equidigital number, since it uses as much as digits as its factorization.

2321312211213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773770737074.

The product of its digits is 864, while the sum is 24.

Adding to 2321312211213 its reverse (3121122131232), we get a palindrome (5442434342445).

The spelling of 2321312211213 in words is "two trillion, three hundred twenty-one billion, three hundred twelve million, two hundred eleven thousand, two hundred thirteen".