14012143031321 has 4 divisors (see below), whose sum is σ = 14032840436772. Its totient is φ = 13991445625872.

The previous prime is 14012143031317. The next prime is 14012143031323. The reversal of 14012143031321 is 12313034121041.

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 8322792255625 + 5689350775696 = 2884925^2 + 2385236^2 .

It is a cyclic number.

It is not a de Polignac number, because 14012143031321 - 2² = 14012143031317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14012143031323) 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, 10348701710 + ... + 10348703063.

It is an arithmetic number, because the mean of its divisors is an integer number (3508210109193).

Almost surely, 2^{14012143031321} is an apocalyptic number.

It is an amenable number.

14012143031321 is a deficient number, since it is larger than the sum of its proper divisors (20697405451).

14012143031321 is an equidigital number, since it uses as much as digits as its factorization.

14012143031321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20697405450.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 14012143031321 its reverse (12313034121041), we get a palindrome (26325177152362).

The spelling of 14012143031321 in words is "fourteen trillion, twelve billion, one hundred forty-three million, thirty-one thousand, three hundred twenty-one".