42003343013 has 2 divisors, whose sum is σ = 42003343014. Its totient is φ = 42003343012.

The previous prime is 42003342917. The next prime is 42003343099. The reversal of 42003343013 is 31034330024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29253997444 + 12749345569 = 171038^2 + 112913^2 .

It is a cyclic number.

It is not a de Polignac number, because 42003343013 - 2¹⁸ = 42003080869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42003343013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42003343313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21001671506 + 21001671507.

It is an arithmetic number, because the mean of its divisors is an integer number (21001671507).

Almost surely, 2^42003343013 is an apocalyptic number.

It is an amenable number.

42003343013 is a deficient number, since it is larger than the sum of its proper divisors (1).

42003343013 is an equidigital number, since it uses as much as digits as its factorization.

42003343013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 42003343013 its reverse (31034330024), we get a palindrome (73037673037).

The spelling of 42003343013 in words is "forty-two billion, three million, three hundred forty-three thousand, thirteen".