14113131421 has 4 divisors (see below), whose sum is σ = 14145725692. Its totient is φ = 14080537152.

The previous prime is 14113131367. The next prime is 14113131457. The reversal of 14113131421 is 12413131141.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9340256025 + 4772875396 = 96645^2 + 69086^2 .

It is a cyclic number.

It is not a de Polignac number, because 14113131421 - 2⁷ = 14113131293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14113131392 and 14113131401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14113131491) 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, 16296486 + ... + 16297351.

It is an arithmetic number, because the mean of its divisors is an integer number (3536431423).

Almost surely, 2^14113131421 is an apocalyptic number.

It is an amenable number.

14113131421 is a deficient number, since it is larger than the sum of its proper divisors (32594271).

14113131421 is an equidigital number, since it uses as much as digits as its factorization.

14113131421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32594270.

The product of its digits is 288, while the sum is 22.

Adding to 14113131421 its reverse (12413131141), we get a palindrome (26526262562).

The spelling of 14113131421 in words is "fourteen billion, one hundred thirteen million, one hundred thirty-one thousand, four hundred twenty-one".