13320311331 has 8 divisors (see below), whose sum is σ = 17792303184. Its totient is φ = 8864263520.

The previous prime is 13320311327. The next prime is 13320311341. The reversal of 13320311331 is 13311302331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13320311331 - 2² = 13320311327 is a prime.

It is a super-2 number, since 2×13320311331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13320311298 and 13320311307.

It is not an unprimeable number, because it can be changed into a prime (13320311311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3984060 + ... + 3987401.

It is an arithmetic number, because the mean of its divisors is an integer number (2224037898).

Almost surely, 2^13320311331 is an apocalyptic number.

13320311331 is a deficient number, since it is larger than the sum of its proper divisors (4471991853).

13320311331 is an equidigital number, since it uses as much as digits as its factorization.

13320311331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7972021.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 13320311331 its reverse (13311302331), we get a palindrome (26631613662).

The spelling of 13320311331 in words is "thirteen billion, three hundred twenty million, three hundred eleven thousand, three hundred thirty-one".