131105179 has 2 divisors, whose sum is σ = 131105180. Its totient is φ = 131105178.

The previous prime is 131105159. The next prime is 131105189. The reversal of 131105179 is 971501131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131105179 - 2⁵ = 131105147 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131105119) 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, 65552589 + 65552590.

It is an arithmetic number, because the mean of its divisors is an integer number (65552590).

Almost surely, 2^131105179 is an apocalyptic number.

131105179 is a deficient number, since it is larger than the sum of its proper divisors (1).

131105179 is an equidigital number, since it uses as much as digits as its factorization.

131105179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945, while the sum is 28.

The square root of 131105179 is about 11450.1169863019. The cubic root of 131105179 is about 508.0111946507.

The spelling of 131105179 in words is "one hundred thirty-one million, one hundred five thousand, one hundred seventy-nine".