131106559 has 2 divisors, whose sum is σ = 131106560. Its totient is φ = 131106558.

The previous prime is 131106553. The next prime is 131106589. The reversal of 131106559 is 955601131.

It is a weak prime.

It is an emirp because it is prime and its reverse (955601131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131106559 - 2²⁵ = 97552127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131106559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131106553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65553279 + 65553280.

It is an arithmetic number, because the mean of its divisors is an integer number (65553280).

Almost surely, 2^131106559 is an apocalyptic number.

131106559 is a deficient number, since it is larger than the sum of its proper divisors (1).

131106559 is an equidigital number, since it uses as much as digits as its factorization.

131106559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 31.

The square root of 131106559 is about 11450.1772475364. The cubic root of 131106559 is about 508.0129770694.

The spelling of 131106559 in words is "one hundred thirty-one million, one hundred six thousand, five hundred fifty-nine".