13320202331 has 4 divisors (see below), whose sum is σ = 13383331464. Its totient is φ = 13257073200.

The previous prime is 13320202283. The next prime is 13320202349.

13320202331 is nontrivially palindromic in base 10.

13320202331 is digitally balanced in base 2, 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-13320202331 is a prime.

It is a super-2 number, since 2×13320202331² (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 (13320202391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31564250 + ... + 31564671.

It is an arithmetic number, because the mean of its divisors is an integer number (3345832866).

Almost surely, 2^13320202331 is an apocalyptic number.

13320202331 is a deficient number, since it is larger than the sum of its proper divisors (63129133).

13320202331 is an equidigital number, since it uses as much as digits as its factorization.

13320202331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63129132.

The product of its (nonzero) digits is 648, while the sum is 20.

The spelling of 13320202331 in words is "thirteen billion, three hundred twenty million, two hundred two thousand, three hundred thirty-one".