13451244431 has 8 divisors (see below), whose sum is σ = 13660350144. Its totient is φ = 13243576320.

The previous prime is 13451244419. The next prime is 13451244449. The reversal of 13451244431 is 13444215431.

13451244431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13451244431 - 2¹⁴ = 13451228047 is a prime.

It is a super-2 number, since 2×13451244431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13451244451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340535 + ... + 377976.

It is an arithmetic number, because the mean of its divisors is an integer number (1707543768).

Almost surely, 2^13451244431 is an apocalyptic number.

13451244431 is a deficient number, since it is larger than the sum of its proper divisors (209105713).

13451244431 is an equidigital number, since it uses as much as digits as its factorization.

13451244431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718801.

The product of its digits is 23040, while the sum is 32.

Adding to 13451244431 its reverse (13444215431), we get a palindrome (26895459862).

The spelling of 13451244431 in words is "thirteen billion, four hundred fifty-one million, two hundred forty-four thousand, four hundred thirty-one".