13431110543 has 2 divisors, whose sum is σ = 13431110544. Its totient is φ = 13431110542.

The previous prime is 13431110477. The next prime is 13431110557. The reversal of 13431110543 is 34501113431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13431110543 - 2¹⁸ = 13430848399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13431110573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6715555271 + 6715555272.

It is an arithmetic number, because the mean of its divisors is an integer number (6715555272).

Almost surely, 2^13431110543 is an apocalyptic number.

13431110543 is a deficient number, since it is larger than the sum of its proper divisors (1).

13431110543 is an equidigital number, since it uses as much as digits as its factorization.

13431110543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 13431110543 its reverse (34501113431), we get a palindrome (47932223974).

The spelling of 13431110543 in words is "thirteen billion, four hundred thirty-one million, one hundred ten thousand, five hundred forty-three".