131322300 has 72 divisors (see below), whose sum is σ = 399974400. Its totient is φ = 33174720.

The previous prime is 131322299. The next prime is 131322313. The reversal of 131322300 is 3223131.

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 131322300.

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 23 ways as a sum of consecutive naturals, for example, 5820 + ... + 17219.

It is an arithmetic number, because the mean of its divisors is an integer number (5555200).

Almost surely, 2^131322300 is an apocalyptic number.

131322300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131322300 is an abundant number, since it is smaller than the sum of its proper divisors (268652100).

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

131322300 is a wasteful number, since it uses less digits than its factorization.

131322300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23075 (or 23068 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 131322300 is about 11459.5942336542. The cubic root of 131322300 is about 508.2914761438.

Adding to 131322300 its reverse (3223131), we get a palindrome (134545431).

The spelling of 131322300 in words is "one hundred thirty-one million, three hundred twenty-two thousand, three hundred".