13328082331 has 4 divisors (see below), whose sum is σ = 14112087192. Its totient is φ = 12544077472.

The previous prime is 13328082283. The next prime is 13328082347.

13328082331 is nontrivially palindromic in base 10.

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 13328082331 - 2²⁵ = 13294527899 is a prime.

It is a super-2 number, since 2×13328082331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13328088331) 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, 392002405 + ... + 392002438.

It is an arithmetic number, because the mean of its divisors is an integer number (3528021798).

Almost surely, 2^13328082331 is an apocalyptic number.

13328082331 is a deficient number, since it is larger than the sum of its proper divisors (784004861).

13328082331 is an equidigital number, since it uses as much as digits as its factorization.

13328082331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784004860.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 13328082331 in words is "thirteen billion, three hundred twenty-eight million, eighty-two thousand, three hundred thirty-one".