13331332303 has 4 divisors (see below), whose sum is σ = 13530307480. Its totient is φ = 13132357128.

The previous prime is 13331332297. The next prime is 13331332331. The reversal of 13331332303 is 30323313331.

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

It is a cyclic number.

It is not a de Polignac number, because 13331332303 - 2¹⁷ = 13331201231 is a prime.

It is a super-2 number, since 2×13331332303² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331332603) 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, 99487488 + ... + 99487621.

It is an arithmetic number, because the mean of its divisors is an integer number (3382576870).

Almost surely, 2^13331332303 is an apocalyptic number.

13331332303 is a deficient number, since it is larger than the sum of its proper divisors (198975177).

13331332303 is an equidigital number, since it uses as much as digits as its factorization.

13331332303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198975176.

The product of its (nonzero) digits is 4374, while the sum is 25.

Adding to 13331332303 its reverse (30323313331), we get a palindrome (43654645634).

The spelling of 13331332303 in words is "thirteen billion, three hundred thirty-one million, three hundred thirty-two thousand, three hundred three".