131580284 has 24 divisors (see below), whose sum is σ = 252110208. Its totient is φ = 59592240.

The previous prime is 131580277. The next prime is 131580311. The reversal of 131580284 is 482085131.

It is a super-2 number, since 2×131580284² = 34626742275041312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131580284.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7169 + ... + 17735.

It is an arithmetic number, because the mean of its divisors is an integer number (10504592).

Almost surely, 2^131580284 is an apocalyptic number.

It is an amenable number.

131580284 is a deficient number, since it is larger than the sum of its proper divisors (120529924).

131580284 is a wasteful number, since it uses less digits than its factorization.

131580284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10865 (or 10863 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 131580284 is about 11470.8449557999. The cubic root of 131580284 is about 508.6241063529.

The spelling of 131580284 in words is "one hundred thirty-one million, five hundred eighty thousand, two hundred eighty-four".