13331203307 has 4 divisors (see below), whose sum is σ = 13351619280. Its totient is φ = 13310787336.

The previous prime is 13331203297. The next prime is 13331203309. The reversal of 13331203307 is 70330213331.

It is a happy number.

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 13331203307 - 2²⁰ = 13330154731 is a prime.

It is a super-2 number, since 2×13331203307² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13331203309) 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, 10207007 + ... + 10208312.

It is an arithmetic number, because the mean of its divisors is an integer number (3337904820).

Almost surely, 2^13331203307 is an apocalyptic number.

13331203307 is a deficient number, since it is larger than the sum of its proper divisors (20415973).

13331203307 is an equidigital number, since it uses as much as digits as its factorization.

13331203307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20415972.

The product of its (nonzero) digits is 3402, while the sum is 26.

Adding to 13331203307 its reverse (70330213331), we get a palindrome (83661416638).

The spelling of 13331203307 in words is "thirteen billion, three hundred thirty-one million, two hundred three thousand, three hundred seven".