14431021143 has 32 divisors (see below), whose sum is σ = 24012718080. Its totient is φ = 7489294560.

The previous prime is 14431021139. The next prime is 14431021181. The reversal of 14431021143 is 34112013441.

It is not a de Polignac number, because 14431021143 - 2² = 14431021139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14431021193) 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 31 ways as a sum of consecutive naturals, for example, 209946 + ... + 270072.

It is an arithmetic number, because the mean of its divisors is an integer number (750397440).

Almost surely, 2^14431021143 is an apocalyptic number.

14431021143 is a deficient number, since it is larger than the sum of its proper divisors (9581696937).

14431021143 is a wasteful number, since it uses less digits than its factorization.

14431021143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61187.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 14431021143 its reverse (34112013441), we get a palindrome (48543034584).

The spelling of 14431021143 in words is "fourteen billion, four hundred thirty-one million, twenty-one thousand, one hundred forty-three".