131090943 has 16 divisors (see below), whose sum is σ = 180195840. Its totient is φ = 84725376.

The previous prime is 131090917. The next prime is 131090951. The reversal of 131090943 is 349090131.

It is not a de Polignac number, because 131090943 - 2⁹ = 131090431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131090943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131090903) 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 in 15 ways as a sum of consecutive naturals, for example, 10743 + ... + 19431.

It is an arithmetic number, because the mean of its divisors is an integer number (11262240).

Almost surely, 2^131090943 is an apocalyptic number.

131090943 is a deficient number, since it is larger than the sum of its proper divisors (49104897).

131090943 is a wasteful number, since it uses less digits than its factorization.

131090943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8846.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 131090943 is about 11449.4953163884. The cubic root of 131090943 is about 507.9928065921.

The spelling of 131090943 in words is "one hundred thirty-one million, ninety thousand, nine hundred forty-three".