13130303 has 4 divisors (see below), whose sum is σ = 13260408. Its totient is φ = 13000200.

The previous prime is 13130297. The next prime is 13130317. The reversal of 13130303 is 30303131.

13130303 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13130303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13130363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64901 + ... + 65102.

It is an arithmetic number, because the mean of its divisors is an integer number (3315102).

Almost surely, 2^13130303 is an apocalyptic number.

13130303 is a deficient number, since it is larger than the sum of its proper divisors (130105).

13130303 is a wasteful number, since it uses less digits than its factorization.

13130303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130104.

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

The square root of 13130303 is about 3623.5759961673. The cubic root of 13130303 is about 235.9164635397.

Adding to 13130303 its reverse (30303131), we get a palindrome (43433434).

It can be divided in two parts, 131 and 30303, that multiplied together give a palindrome (3969693).

The spelling of 13130303 in words is "thirteen million, one hundred thirty thousand, three hundred three".