131330547 has 6 divisors (see below), whose sum is σ = 189699692. Its totient is φ = 87553692.

The previous prime is 131330543. The next prime is 131330561. The reversal of 131330547 is 745033131.

131330547 is a `hidden beast` number, since 1 + 313 + 305 + 47 = 666.

It is not a de Polignac number, because 131330547 - 2² = 131330543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131330547.

It is not an unprimeable number, because it can be changed into a prime (131330543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7296133 + ... + 7296150.

Almost surely, 2^131330547 is an apocalyptic number.

131330547 is a deficient number, since it is larger than the sum of its proper divisors (58369145).

131330547 is a wasteful number, since it uses less digits than its factorization.

131330547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14592289 (or 14592286 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 131330547 is about 11459.9540574995. The cubic root of 131330547 is about 508.3021161038.

Adding to 131330547 its reverse (745033131), we get a palindrome (876363678).

The spelling of 131330547 in words is "one hundred thirty-one million, three hundred thirty thousand, five hundred forty-seven".