14133440431 has 4 divisors (see below), whose sum is σ = 15418298664. Its totient is φ = 12848582200.

The previous prime is 14133440369. The next prime is 14133440437. The reversal of 14133440431 is 13404433141.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 14133440431 - 2⁷ = 14133440303 is a prime.

It is a super-2 number, since 2×14133440431² (a number of 21 digits) contains 22 as substring.

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 14133440431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14133440437) 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, 642429100 + ... + 642429121.

It is an arithmetic number, because the mean of its divisors is an integer number (3854574666).

Almost surely, 2^14133440431 is an apocalyptic number.

14133440431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14133440431 is a deficient number, since it is larger than the sum of its proper divisors (1284858233).

14133440431 is a wasteful number, since it uses less digits than its factorization.

14133440431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284858232.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 14133440431 its reverse (13404433141), we get a palindrome (27537873572).

The spelling of 14133440431 in words is "fourteen billion, one hundred thirty-three million, four hundred forty thousand, four hundred thirty-one".