13424042431 has 4 divisors (see below), whose sum is σ = 14130571000. Its totient is φ = 12717513864.

The previous prime is 13424042413. The next prime is 13424042441.

13424042431 is nontrivially palindromic in base 10.

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 13424042431 - 2⁵ = 13424042399 is a prime.

It is a super-2 number, since 2×13424042431² (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 13424042431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13424042441) 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, 353264256 + ... + 353264293.

It is an arithmetic number, because the mean of its divisors is an integer number (3532642750).

Almost surely, 2^13424042431 is an apocalyptic number.

13424042431 is a deficient number, since it is larger than the sum of its proper divisors (706528569).

13424042431 is an equidigital number, since it uses as much as digits as its factorization.

13424042431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706528568.

The product of its (nonzero) digits is 9216, while the sum is 28.

It can be divided in two parts, 134240 and 42431, that added together give a palindrome (176671).

The spelling of 13424042431 in words is "thirteen billion, four hundred twenty-four million, forty-two thousand, four hundred thirty-one".