2113110313243 has 2 divisors, whose sum is σ = 2113110313244. Its totient is φ = 2113110313242.

The previous prime is 2113110313217. The next prime is 2113110313247. The reversal of 2113110313243 is 3423130113112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2113110313243 - 2¹⁷ = 2113110182171 is a prime.

It is not a weakly prime, because it can be changed into another prime (2113110313247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056555156621 + 1056555156622.

It is an arithmetic number, because the mean of its divisors is an integer number (1056555156622).

Almost surely, 2^{2113110313243} is an apocalyptic number.

2113110313243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113110313243 is an equidigital number, since it uses as much as digits as its factorization.

2113110313243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 2113110313243 its reverse (3423130113112), we get a palindrome (5536240426355).

The spelling of 2113110313243 in words is "two trillion, one hundred thirteen billion, one hundred ten million, three hundred thirteen thousand, two hundred forty-three".