13113431143 has 2 divisors, whose sum is σ = 13113431144. Its totient is φ = 13113431142.

The previous prime is 13113431129. The next prime is 13113431159. The reversal of 13113431143 is 34113431131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13113431143 - 2¹³ = 13113422951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13113461143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556715571 + 6556715572.

It is an arithmetic number, because the mean of its divisors is an integer number (6556715572).

Almost surely, 2^13113431143 is an apocalyptic number.

13113431143 is a deficient number, since it is larger than the sum of its proper divisors (1).

13113431143 is an equidigital number, since it uses as much as digits as its factorization.

13113431143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 25.

Adding to 13113431143 its reverse (34113431131), we get a palindrome (47226862274).

The spelling of 13113431143 in words is "thirteen billion, one hundred thirteen million, four hundred thirty-one thousand, one hundred forty-three".