14403221431 has 4 divisors (see below), whose sum is σ = 14444024112. Its totient is φ = 14362418752.

The previous prime is 14403221359. The next prime is 14403221447. The reversal of 14403221431 is 13412230441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13412230441 = 239 ⋅56118119.

It is a cyclic number.

It is not a de Polignac number, because 14403221431 - 2²¹ = 14401124279 is a prime.

It is a super-2 number, since 2×14403221431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14403221396 and 14403221405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14403221471) 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, 20400811 + ... + 20401516.

It is an arithmetic number, because the mean of its divisors is an integer number (3611006028).

Almost surely, 2^14403221431 is an apocalyptic number.

14403221431 is a deficient number, since it is larger than the sum of its proper divisors (40802681).

14403221431 is an equidigital number, since it uses as much as digits as its factorization.

14403221431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40802680.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 14403221431 its reverse (13412230441), we get a palindrome (27815451872).

The spelling of 14403221431 in words is "fourteen billion, four hundred three million, two hundred twenty-one thousand, four hundred thirty-one".