13143231402543 has 48 divisors (see below), whose sum is σ = 21425549367456. Its totient is φ = 7693736555520.

The previous prime is 13143231402529. The next prime is 13143231402571. The reversal of 13143231402543 is 34520413234131.

13143231402543 is a `hidden beast` number, since 1 + 3 + 1 + 43 + 2 + 31 + 40 + 2 + 543 = 666.

It is not a de Polignac number, because 13143231402543 - 2⁴ = 13143231402527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13143231402498 and 13143231402507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13143231402583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12593446 + ... + 13597107.

It is an arithmetic number, because the mean of its divisors is an integer number (446365611822).

Almost surely, 2^{13143231402543} is an apocalyptic number.

13143231402543 is a deficient number, since it is larger than the sum of its proper divisors (8282317964913).

13143231402543 is a wasteful number, since it uses less digits than its factorization.

13143231402543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26190744 (or 26190741 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 13143231402543 its reverse (34520413234131), we get a palindrome (47663644636674).

The spelling of 13143231402543 in words is "thirteen trillion, one hundred forty-three billion, two hundred thirty-one million, four hundred two thousand, five hundred forty-three".