131331300 has 36 divisors (see below), whose sum is σ = 379986096. Its totient is φ = 35021600.

The previous prime is 131331293. The next prime is 131331329. The reversal of 131331300 is 3133131.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 131331300.

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 11 ways as a sum of consecutive naturals, for example, 218586 + ... + 219185.

Almost surely, 2^131331300 is an apocalyptic number.

131331300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131331300 is an abundant number, since it is smaller than the sum of its proper divisors (248654796).

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

131331300 is a wasteful number, since it uses less digits than its factorization.

131331300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437788 (or 437781 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 131331300 is about 11459.9869109873. The cubic root of 131331300 is about 508.3030875730.

Adding to 131331300 its reverse (3133131), we get a palindrome (134464431).

The spelling of 131331300 in words is "one hundred thirty-one million, three hundred thirty-one thousand, three hundred".