14131321243 has 4 divisors (see below), whose sum is σ = 15218345968. Its totient is φ = 13044296520.

The previous prime is 14131321229. The next prime is 14131321249. The reversal of 14131321243 is 34212313141.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14131321243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14131321249) 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, 543512343 + ... + 543512368.

It is an arithmetic number, because the mean of its divisors is an integer number (3804586492).

Almost surely, 2^14131321243 is an apocalyptic number.

14131321243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

14131321243 is a deficient number, since it is larger than the sum of its proper divisors (1087024725).

14131321243 is a wasteful number, since it uses less digits than its factorization.

14131321243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087024724.

The product of its digits is 1728, while the sum is 25.

Adding to 14131321243 its reverse (34212313141), we get a palindrome (48343634384).

The spelling of 14131321243 in words is "fourteen billion, one hundred thirty-one million, three hundred twenty-one thousand, two hundred forty-three".