131340204 has 60 divisors (see below), whose sum is σ = 346592400. Its totient is φ = 43366752.

The previous prime is 131340169. The next prime is 131340247. The reversal of 131340204 is 402043131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 33457 + ... + 37175.

It is an arithmetic number, because the mean of its divisors is an integer number (5776540).

Almost surely, 2^131340204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131340204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173296200).

131340204 is an abundant number, since it is smaller than the sum of its proper divisors (215252196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131340204 is a wasteful number, since it uses less digits than its factorization.

131340204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3844 (or 3833 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 131340204 is about 11460.3753865220. The cubic root of 131340204 is about 508.3145746250.

Adding to 131340204 its reverse (402043131), we get a palindrome (533383335).

The spelling of 131340204 in words is "one hundred thirty-one million, three hundred forty thousand, two hundred four".