131021320200 has 96 divisors (see below), whose sum is σ = 419268284160. Its totient is φ = 33811948800.

The previous prime is 131021320163. The next prime is 131021320223. The reversal of 131021320200 is 2023120131.

131021320200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 131021320200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3503479 + ... + 3540678.

It is an arithmetic number, because the mean of its divisors is an integer number (4367377960).

Almost surely, 2^131021320200 is an apocalyptic number.

131021320200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131021320200 is an abundant number, since it is smaller than the sum of its proper divisors (288246963960).

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

131021320200 is a wasteful number, since it uses less digits than its factorization.

131021320200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7044207 (or 7044198 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 131021320200 its reverse (2023120131), we get a palindrome (133044440331).

The spelling of 131021320200 in words is "one hundred thirty-one billion, twenty-one million, three hundred twenty thousand, two hundred".