200131301320 has 32 divisors (see below), whose sum is σ = 450311571000. Its totient is φ = 80049650688.

The previous prime is 200131301309. The next prime is 200131301327. The reversal of 200131301320 is 23103131002.

It can be written as a sum of positive squares in 4 ways, for example, as 199117643076 + 1013658244 = 446226^2 + 31838^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200131301294 and 200131301303.

It is not an unprimeable number, because it can be changed into a prime (200131301327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1309552 + ... + 1454368.

Almost surely, 2^200131301320 is an apocalyptic number.

200131301320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200131301320 is an abundant number, since it is smaller than the sum of its proper divisors (250180269680).

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

200131301320 is a wasteful number, since it uses less digits than its factorization.

200131301320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179377 (or 179373 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 200131301320 its reverse (23103131002), we get a palindrome (223234432322).

The spelling of 200131301320 in words is "two hundred billion, one hundred thirty-one million, three hundred one thousand, three hundred twenty".