13424542431 has 8 divisors (see below), whose sum is σ = 17903025024. Its totient is φ = 8947877400.

The previous prime is 13424542429. The next prime is 13424542441.

13424542431 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13424542431 - 2¹ = 13424542429 is a prime.

It is a super-2 number, since 2×13424542431² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13424542392 and 13424542401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13424542441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437061 + ... + 466766.

It is an arithmetic number, because the mean of its divisors is an integer number (2237878128).

Almost surely, 2^13424542431 is an apocalyptic number.

13424542431 is a deficient number, since it is larger than the sum of its proper divisors (4478482593).

13424542431 is an equidigital number, since it uses as much as digits as its factorization.

13424542431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908781.

The product of its digits is 46080, while the sum is 33.

The spelling of 13424542431 in words is "thirteen billion, four hundred twenty-four million, five hundred forty-two thousand, four hundred thirty-one".