2003013343 has 2 divisors, whose sum is σ = 2003013344. Its totient is φ = 2003013342.

The previous prime is 2003013329. The next prime is 2003013349. The reversal of 2003013343 is 3433103002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2003013343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2003013343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2003013349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001506671 + 1001506672.

It is an arithmetic number, because the mean of its divisors is an integer number (1001506672).

Almost surely, 2^2003013343 is an apocalyptic number.

2003013343 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003013343 is an equidigital number, since it uses as much as digits as its factorization.

2003013343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 2003013343 is about 44755.0370684686. The cubic root of 2003013343 is about 1260.5534947516.

Adding to 2003013343 its reverse (3433103002), we get a palindrome (5436116345).

The spelling of 2003013343 in words is "two billion, three million, thirteen thousand, three hundred forty-three".