131130241 has 6 divisors (see below), whose sum is σ = 144135026. Its totient is φ = 119209200.

The previous prime is 131130239. The next prime is 131130247. The reversal of 131130241 is 142031131.

It can be written as a sum of positive squares in only one way, i.e., 92640625 + 38489616 = 9625^2 + 6204^2 .

It is not a de Polignac number, because 131130241 - 2¹ = 131130239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131130247) 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 5 ways as a sum of consecutive naturals, for example, 541740 + ... + 541981.

Almost surely, 2^131130241 is an apocalyptic number.

131130241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131130241 is a deficient number, since it is larger than the sum of its proper divisors (13004785).

131130241 is a wasteful number, since it uses less digits than its factorization.

131130241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083743 (or 1083732 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 131130241 is about 11451.2113333044. The cubic root of 131130241 is about 508.0435629763.

Adding to 131130241 its reverse (142031131), we get a palindrome (273161372).

The spelling of 131130241 in words is "one hundred thirty-one million, one hundred thirty thousand, two hundred forty-one".