131330241 has 80 divisors (see below), whose sum is σ = 238128000. Its totient is φ = 72013536.

The previous prime is 131330201. The next prime is 131330273. The reversal of 131330241 is 142033131.

It is not a de Polignac number, because 131330241 - 2⁷ = 131330113 is a prime.

It is a super-2 number, since 2×131330241² = 34495264402236162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131330201) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 805626 + ... + 805788.

It is an arithmetic number, because the mean of its divisors is an integer number (2976600).

Almost surely, 2^131330241 is an apocalyptic number.

It is an amenable number.

131330241 is a deficient number, since it is larger than the sum of its proper divisors (106797759).

131330241 is an equidigital number, since it uses as much as digits as its factorization.

131330241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 131330241 is about 11459.9407066529. The cubic root of 131330241 is about 508.3017213224.

Adding to 131330241 its reverse (142033131), we get a palindrome (273363372).

The spelling of 131330241 in words is "one hundred thirty-one million, three hundred thirty thousand, two hundred forty-one".