131326441 has 4 divisors (see below), whose sum is σ = 131430400. Its totient is φ = 131222484.

The previous prime is 131326439. The next prime is 131326451. The reversal of 131326441 is 144623131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131326441 - 2¹ = 131326439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131326451) 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 3 ways as a sum of consecutive naturals, for example, 50061 + ... + 52618.

It is an arithmetic number, because the mean of its divisors is an integer number (32857600).

Almost surely, 2^131326441 is an apocalyptic number.

It is an amenable number.

131326441 is a deficient number, since it is larger than the sum of its proper divisors (103959).

131326441 is a wasteful number, since it uses less digits than its factorization.

131326441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103958.

The product of its digits is 1728, while the sum is 25.

The square root of 131326441 is about 11459.7749105294. The cubic root of 131326441 is about 508.2968187573.

Adding to 131326441 its reverse (144623131), we get a palindrome (275949572).

The spelling of 131326441 in words is "one hundred thirty-one million, three hundred twenty-six thousand, four hundred forty-one".