13312003303 has 4 divisors (see below), whose sum is σ = 13312263888. Its totient is φ = 13311742720.

The previous prime is 13312003267. The next prime is 13312003333. The reversal of 13312003303 is 30330021331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30330021331 = 8081 ⋅3753251.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13312003303 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 (13312003333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25651 + ... + 165172.

It is an arithmetic number, because the mean of its divisors is an integer number (3328065972).

Almost surely, 2^13312003303 is an apocalyptic number.

13312003303 is a deficient number, since it is larger than the sum of its proper divisors (260585).

13312003303 is an equidigital number, since it uses as much as digits as its factorization.

13312003303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260584.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 13312003303 its reverse (30330021331), we get a palindrome (43642024634).

The spelling of 13312003303 in words is "thirteen billion, three hundred twelve million, three thousand, three hundred three".