13442522124431 has 4 divisors (see below), whose sum is σ = 13453032307200. Its totient is φ = 13432011941664.

The previous prime is 13442522124403. The next prime is 13442522124509. The reversal of 13442522124431 is 13442122524431.

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-13442522124431 is a prime.

It is a super-2 number, since 2×13442522124431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13442522124331) 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, 5255089466 + ... + 5255092023.

It is an arithmetic number, because the mean of its divisors is an integer number (3363258076800).

Almost surely, 2^{13442522124431} is an apocalyptic number.

13442522124431 is a deficient number, since it is larger than the sum of its proper divisors (10510182769).

13442522124431 is a wasteful number, since it uses less digits than its factorization.

13442522124431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10510182768.

The product of its digits is 184320, while the sum is 38.

Adding to 13442522124431 its reverse (13442122524431), we get a palindrome (26884644648862).

The spelling of 13442522124431 in words is "thirteen trillion, four hundred forty-two billion, five hundred twenty-two million, one hundred twenty-four thousand, four hundred thirty-one".