14043421531 has 8 divisors (see below), whose sum is σ = 14868000720. Its totient is φ = 13227387552.

The previous prime is 14043421519. The next prime is 14043421537. The reversal of 14043421531 is 13512434041.

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

It is a cyclic number.

It is not a de Polignac number, because 14043421531 - 2²¹ = 14041324379 is a prime.

It is a super-3 number, since 3×14043421531³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 14043421531.

It is not an unprimeable number, because it can be changed into a prime (14043421537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2132920 + ... + 2139493.

It is an arithmetic number, because the mean of its divisors is an integer number (1858500090).

Almost surely, 2^14043421531 is an apocalyptic number.

14043421531 is a deficient number, since it is larger than the sum of its proper divisors (824579189).

14043421531 is a wasteful number, since it uses less digits than its factorization.

14043421531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272605.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 14043421531 its reverse (13512434041), we get a palindrome (27555855572).

The spelling of 14043421531 in words is "fourteen billion, forty-three million, four hundred twenty-one thousand, five hundred thirty-one".