2044313312213 has 2 divisors, whose sum is σ = 2044313312214. Its totient is φ = 2044313312212.

The previous prime is 2044313312087. The next prime is 2044313312311. The reversal of 2044313312213 is 3122133134402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1460247477649 + 584065834564 = 1208407^2 + 764242^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2044313312213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2044313912213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022156656106 + 1022156656107.

It is an arithmetic number, because the mean of its divisors is an integer number (1022156656107).

Almost surely, 2^{2044313312213} is an apocalyptic number.

It is an amenable number.

2044313312213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044313312213 is an equidigital number, since it uses as much as digits as its factorization.

2044313312213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 2044313312213 its reverse (3122133134402), we get a palindrome (5166446446615).

The spelling of 2044313312213 in words is "two trillion, forty-four billion, three hundred thirteen million, three hundred twelve thousand, two hundred thirteen".