131606183 has 2 divisors, whose sum is σ = 131606184. Its totient is φ = 131606182.

The previous prime is 131606149. The next prime is 131606203. The reversal of 131606183 is 381606131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131606183 - 2⁸ = 131605927 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131606113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65803091 + 65803092.

It is an arithmetic number, because the mean of its divisors is an integer number (65803092).

Almost surely, 2^131606183 is an apocalyptic number.

131606183 is a deficient number, since it is larger than the sum of its proper divisors (1).

131606183 is an equidigital number, since it uses as much as digits as its factorization.

131606183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 131606183 is about 11471.9738057581. The cubic root of 131606183 is about 508.6574750592.

The spelling of 131606183 in words is "one hundred thirty-one million, six hundred six thousand, one hundred eighty-three".