14431331331321 has 8 divisors (see below), whose sum is σ = 19369204083264. Its totient is φ = 9557173066800.

The previous prime is 14431331331239. The next prime is 14431331331341. The reversal of 14431331331321 is 12313313313441.

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

It is not a de Polignac number, because 14431331331321 - 2³⁵ = 14396971592953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14431331331341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15928621326 + ... + 15928622231.

It is an arithmetic number, because the mean of its divisors is an integer number (2421150510408).

Almost surely, 2^{14431331331321} is an apocalyptic number.

It is an amenable number.

14431331331321 is a deficient number, since it is larger than the sum of its proper divisors (4937872751943).

14431331331321 is a wasteful number, since it uses less digits than its factorization.

14431331331321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31857243711.

The product of its digits is 23328, while the sum is 33.

Adding to 14431331331321 its reverse (12313313313441), we get a palindrome (26744644644762).

The spelling of 14431331331321 in words is "fourteen trillion, four hundred thirty-one billion, three hundred thirty-one million, three hundred thirty-one thousand, three hundred twenty-one".