13103303 has 2 divisors, whose sum is σ = 13103304. Its totient is φ = 13103302.

The previous prime is 13103287. The next prime is 13103323. The reversal of 13103303 is 30330131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13103303 - 2⁴ = 13103287 is a prime.

It is a Chen prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13103323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6551651 + 6551652.

It is an arithmetic number, because the mean of its divisors is an integer number (6551652).

Almost surely, 2^13103303 is an apocalyptic number.

13103303 is a deficient number, since it is larger than the sum of its proper divisors (1).

13103303 is an equidigital number, since it uses as much as digits as its factorization.

13103303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 14.

The square root of 13103303 is about 3619.8484774918. The cubic root of 13103303 is about 235.7546466197.

Adding to 13103303 its reverse (30330131), we get a palindrome (43433434).

The spelling of 13103303 in words is "thirteen million, one hundred three thousand, three hundred three".