131116043 has 2 divisors, whose sum is σ = 131116044. Its totient is φ = 131116042.

The previous prime is 131116021. The next prime is 131116061. The reversal of 131116043 is 340611131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131116043 - 2¹⁴ = 131099659 is a prime.

It is not a weakly prime, because it can be changed into another prime (131116243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65558021 + 65558022.

It is an arithmetic number, because the mean of its divisors is an integer number (65558022).

Almost surely, 2^131116043 is an apocalyptic number.

131116043 is a deficient number, since it is larger than the sum of its proper divisors (1).

131116043 is an equidigital number, since it uses as much as digits as its factorization.

131116043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 131116043 is about 11450.5913821077. The cubic root of 131116043 is about 508.0252263394.

Adding to 131116043 its reverse (340611131), we get a palindrome (471727174).

The spelling of 131116043 in words is "one hundred thirty-one million, one hundred sixteen thousand, forty-three".