1113343043 has 2 divisors, whose sum is σ = 1113343044. Its totient is φ = 1113343042.

The previous prime is 1113342983. The next prime is 1113343051. The reversal of 1113343043 is 3403433111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1113343043 - 2⁸ = 1113342787 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1113343093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556671521 + 556671522.

It is an arithmetic number, because the mean of its divisors is an integer number (556671522).

Almost surely, 2^1113343043 is an apocalyptic number.

1113343043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113343043 is an equidigital number, since it uses as much as digits as its factorization.

1113343043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1113343043 is about 33366.7955159017. The cubic root of 1113343043 is about 1036.4372179382.

Adding to 1113343043 its reverse (3403433111), we get a palindrome (4516776154).

The spelling of 1113343043 in words is "one billion, one hundred thirteen million, three hundred forty-three thousand, forty-three".