3113113243 has 2 divisors, whose sum is σ = 3113113244. Its totient is φ = 3113113242.

The previous prime is 3113113187. The next prime is 3113113261. The reversal of 3113113243 is 3423113113.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3113113243 is a prime.

It is not a weakly prime, because it can be changed into another prime (3113113343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556556621 + 1556556622.

It is an arithmetic number, because the mean of its divisors is an integer number (1556556622).

Almost surely, 2^3113113243 is an apocalyptic number.

3113113243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113113243 is an equidigital number, since it uses as much as digits as its factorization.

3113113243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 22.

The square root of 3113113243 is about 55795.2797555492. The cubic root of 3113113243 is about 1460.1528023910.

Adding to 3113113243 its reverse (3423113113), we get a palindrome (6536226356).

The spelling of 3113113243 in words is "three billion, one hundred thirteen million, one hundred thirteen thousand, two hundred forty-three".