13424243442531 has 8 divisors (see below), whose sum is σ = 17919828269760. Its totient is φ = 8939077121832.

The previous prime is 13424243442527. The next prime is 13424243442551. The reversal of 13424243442531 is 13524434242431.

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

It is not a de Polignac number, because 13424243442531 - 2² = 13424243442527 is a prime.

It is a super-2 number, since 2×13424243442531² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13424243442551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2604623625 + ... + 2604628778.

It is an arithmetic number, because the mean of its divisors is an integer number (2239978533720).

Almost surely, 2^{13424243442531} is an apocalyptic number.

13424243442531 is a deficient number, since it is larger than the sum of its proper divisors (4495584827229).

13424243442531 is an equidigital number, since it uses as much as digits as its factorization.

13424243442531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5209253265.

The product of its digits is 1105920, while the sum is 42.

Adding to 13424243442531 its reverse (13524434242431), we get a palindrome (26948677684962).

The spelling of 13424243442531 in words is "thirteen trillion, four hundred twenty-four billion, two hundred forty-three million, four hundred forty-two thousand, five hundred thirty-one".