14140321312321 has 4 divisors (see below), whose sum is σ = 14180378880132. Its totient is φ = 14100263744512.

The previous prime is 14140321312307. The next prime is 14140321312373. The reversal of 14140321312321 is 12321312304141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4599394944400 + 9540926367921 = 2144620^2 + 3088839^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14140321312321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14140321312321.

It is not an unprimeable number, because it can be changed into a prime (14140321316321) 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, 20028783376 + ... + 20028784081.

It is an arithmetic number, because the mean of its divisors is an integer number (3545094720033).

Almost surely, 2^{14140321312321} is an apocalyptic number.

It is an amenable number.

14140321312321 is a deficient number, since it is larger than the sum of its proper divisors (40057567811).

14140321312321 is an equidigital number, since it uses as much as digits as its factorization.

14140321312321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40057567810.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 14140321312321 its reverse (12321312304141), we get a palindrome (26461633616462).

The spelling of 14140321312321 in words is "fourteen trillion, one hundred forty billion, three hundred twenty-one million, three hundred twelve thousand, three hundred twenty-one".