2312100222213 has 4 divisors (see below), whose sum is σ = 3082800296288. Its totient is φ = 1541400148140.

The previous prime is 2312100222197. The next prime is 2312100222233. The reversal of 2312100222213 is 3122220012132.

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 not a de Polignac number, because 2312100222213 - 2⁴ = 2312100222197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2312100222213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312100222233) 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, 385350037033 + ... + 385350037038.

It is an arithmetic number, because the mean of its divisors is an integer number (770700074072).

Almost surely, 2^{2312100222213} is an apocalyptic number.

It is an amenable number.

2312100222213 is a deficient number, since it is larger than the sum of its proper divisors (770700074075).

2312100222213 is an equidigital number, since it uses as much as digits as its factorization.

2312100222213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770700074074.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2312100222213 its reverse (3122220012132), we get a palindrome (5434320234345).

The spelling of 2312100222213 in words is "two trillion, three hundred twelve billion, one hundred million, two hundred twenty-two thousand, two hundred thirteen".