200131031320 has 256 divisors, whose sum is σ = 517321728000. Its totient is φ = 69017088000.

The previous prime is 200131031311. The next prime is 200131031327. The reversal of 200131031320 is 23130131002.

It is a junction number, because it is equal to n+sod(n) for n = 200131031294 and 200131031303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200131031327) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 190782156 + ... + 190783204.

It is an arithmetic number, because the mean of its divisors is an integer number (2020788000).

Almost surely, 2^200131031320 is an apocalyptic number.

200131031320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200131031320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258660864000).

200131031320 is an abundant number, since it is smaller than the sum of its proper divisors (317190696680).

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

200131031320 is a wasteful number, since it uses less digits than its factorization.

200131031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370 (or 1366 counting only the distinct ones).

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

Adding to 200131031320 its reverse (23130131002), we get a palindrome (223261162322).

The spelling of 200131031320 in words is "two hundred billion, one hundred thirty-one million, thirty-one thousand, three hundred twenty".