131091241 has 8 divisors (see below), whose sum is σ = 138756800. Its totient is φ = 123502320.

The previous prime is 131091239. The next prime is 131091251. The reversal of 131091241 is 142190131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131091241 - 2¹ = 131091239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131091251) 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 in 7 ways as a sum of consecutive naturals, for example, 15621 + ... + 22498.

It is an arithmetic number, because the mean of its divisors is an integer number (17344600).

Almost surely, 2^131091241 is an apocalyptic number.

It is an amenable number.

131091241 is a deficient number, since it is larger than the sum of its proper divisors (7665559).

131091241 is a wasteful number, since it uses less digits than its factorization.

131091241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38319.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 131091241 is about 11449.5083300551. The cubic root of 131091241 is about 507.9931915201.

The spelling of 131091241 in words is "one hundred thirty-one million, ninety-one thousand, two hundred forty-one".