2113403023217 has 2 divisors, whose sum is σ = 2113403023218. Its totient is φ = 2113403023216.

The previous prime is 2113403023189. The next prime is 2113403023229. The reversal of 2113403023217 is 7123203043112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1878240099121 + 235162924096 = 1370489^2 + 484936^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113403023217 - 2¹⁰ = 2113403022193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2113403023217.

It is not a weakly prime, because it can be changed into another prime (2113403023267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056701511608 + 1056701511609.

It is an arithmetic number, because the mean of its divisors is an integer number (1056701511609).

Almost surely, 2^{2113403023217} is an apocalyptic number.

It is an amenable number.

2113403023217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113403023217 is an equidigital number, since it uses as much as digits as its factorization.

2113403023217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

Adding to 2113403023217 its reverse (7123203043112), we get a palindrome (9236606066329).

The spelling of 2113403023217 in words is "two trillion, one hundred thirteen billion, four hundred three million, twenty-three thousand, two hundred seventeen".