200131031131400 has 24 divisors (see below), whose sum is σ = 465304647380970. Its totient is φ = 80052412452480.

The previous prime is 200131031131399. The next prime is 200131031131429. The reversal of 200131031131400 is 4131130131002.

It can be written as a sum of positive squares in 3 ways, for example, as 111413809215076 + 88717221916324 = 10555274^2 + 9418982^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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 5 ways as a sum of consecutive naturals, for example, 500327577629 + ... + 500327578028.

Almost surely, 2^{200131031131400} is an apocalyptic number.

200131031131400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200131031131400 is an abundant number, since it is smaller than the sum of its proper divisors (265173616249570).

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

200131031131400 is a wasteful number, since it uses less digits than its factorization.

200131031131400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000655155673 (or 1000655155664 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 200131031131400 its reverse (4131130131002), we get a palindrome (204262161262402).

The spelling of 200131031131400 in words is "two hundred trillion, one hundred thirty-one billion, thirty-one million, one hundred thirty-one thousand, four hundred".