13321231331 has 8 divisors (see below), whose sum is σ = 14150782800. Its totient is φ = 12496785408.

The previous prime is 13321231289. The next prime is 13321231337. The reversal of 13321231331 is 13313212331.

13321231331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13321231331 - 2¹⁴ = 13321214947 is a prime.

It is a super-2 number, since 2×13321231331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13321231297 and 13321231306.

It is not an unprimeable number, because it can be changed into a prime (13321231337) 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 7 ways as a sum of consecutive naturals, for example, 1271006 + ... + 1281443.

It is an arithmetic number, because the mean of its divisors is an integer number (1768847850).

Almost surely, 2^13321231331 is an apocalyptic number.

13321231331 is a deficient number, since it is larger than the sum of its proper divisors (829551469).

13321231331 is a wasteful number, since it uses less digits than its factorization.

13321231331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552773.

The product of its digits is 972, while the sum is 23.

Adding to 13321231331 its reverse (13313212331), we get a palindrome (26634443662).

The spelling of 13321231331 in words is "thirteen billion, three hundred twenty-one million, two hundred thirty-one thousand, three hundred thirty-one".