131730484 has 24 divisors (see below), whose sum is σ = 244443528. Its totient is φ = 61900800.

The previous prime is 131730481. The next prime is 131730517. The reversal of 131730484 is 484037131.

It can be written as a sum of positive squares in 4 ways, for example, as 6916900 + 124813584 = 2630^2 + 11172^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131730481) 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, 80862 + ... + 82474.

It is an arithmetic number, because the mean of its divisors is an integer number (10185147).

Almost surely, 2^131730484 is an apocalyptic number.

It is an amenable number.

131730484 is a deficient number, since it is larger than the sum of its proper divisors (112713044).

131730484 is a wasteful number, since it uses less digits than its factorization.

131730484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835 (or 2833 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 131730484 is about 11477.3901214518. The cubic root of 131730484 is about 508.8175656571.

The spelling of 131730484 in words is "one hundred thirty-one million, seven hundred thirty thousand, four hundred eighty-four".