13303020503 has 2 divisors, whose sum is σ = 13303020504. Its totient is φ = 13303020502.

The previous prime is 13303020499. The next prime is 13303020509. The reversal of 13303020503 is 30502030331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13303020503 - 2² = 13303020499 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13303020509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6651510251 + 6651510252.

It is an arithmetic number, because the mean of its divisors is an integer number (6651510252).

Almost surely, 2^13303020503 is an apocalyptic number.

13303020503 is a deficient number, since it is larger than the sum of its proper divisors (1).

13303020503 is an equidigital number, since it uses as much as digits as its factorization.

13303020503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 20.

Adding to 13303020503 its reverse (30502030331), we get a palindrome (43805050834).

The spelling of 13303020503 in words is "thirteen billion, three hundred three million, twenty thousand, five hundred three".