131321020000200 has 48 divisors (see below), whose sum is σ = 407095162002480. Its totient is φ = 35018938666560.

The previous prime is 131321020000133. The next prime is 131321020000249. The reversal of 131321020000200 is 2000020123131.

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 131321020000200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109434182734 + ... + 109434183933.

It is an arithmetic number, because the mean of its divisors is an integer number (8481149208385).

Almost surely, 2^{131321020000200} is an apocalyptic number.

131321020000200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131321020000200 is an abundant number, since it is smaller than the sum of its proper divisors (275774142002280).

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

131321020000200 is a wasteful number, since it uses less digits than its factorization.

131321020000200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218868366686 (or 218868366677 counting only the distinct ones).

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

Adding to 131321020000200 its reverse (2000020123131), we get a palindrome (133321040123331).

The spelling of 131321020000200 in words is "one hundred thirty-one trillion, three hundred twenty-one billion, twenty million, two hundred", and thus it is an aban number.