8118431143 has 2 divisors, whose sum is σ = 8118431144. Its totient is φ = 8118431142.

The previous prime is 8118431059. The next prime is 8118431149. The reversal of 8118431143 is 3411348118.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8118431143 - 2²¹ = 8116333991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8118431099 and 8118431108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8118431149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4059215571 + 4059215572.

It is an arithmetic number, because the mean of its divisors is an integer number (4059215572).

Almost surely, 2^8118431143 is an apocalyptic number.

8118431143 is a deficient number, since it is larger than the sum of its proper divisors (1).

8118431143 is an equidigital number, since it uses as much as digits as its factorization.

8118431143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 34.

The square root of 8118431143 is about 90102.3370562606. The cubic root of 8118431143 is about 2009.8209573778.

The spelling of 8118431143 in words is "eight billion, one hundred eighteen million, four hundred thirty-one thousand, one hundred forty-three".