13103220303 has 6 divisors (see below), whose sum is σ = 18926873784. Its totient is φ = 8735480196.

The previous prime is 13103220259. The next prime is 13103220311. The reversal of 13103220303 is 30302230131.

13103220303 is a `hidden beast` number, since 1 + 310 + 32 + 20 + 303 = 666.

It is not a de Polignac number, because 13103220303 - 2⁶ = 13103220239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13103227303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 727956675 + ... + 727956692.

It is an arithmetic number, because the mean of its divisors is an integer number (3154478964).

Almost surely, 2^13103220303 is an apocalyptic number.

13103220303 is a deficient number, since it is larger than the sum of its proper divisors (5823653481).

13103220303 is a wasteful number, since it uses less digits than its factorization.

13103220303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455913373 (or 1455913370 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 13103220303 its reverse (30302230131), we get a palindrome (43405450434).

The spelling of 13103220303 in words is "thirteen billion, one hundred three million, two hundred twenty thousand, three hundred three".