200131321110 has 128 divisors (see below), whose sum is σ = 571219292160. Its totient is φ = 43923067776.

The previous prime is 200131321109. The next prime is 200131321111. The reversal of 200131321110 is 11123131002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (200131321109) and next prime (200131321111).

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 200131321110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200131321111) 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, 344949 + ... + 720591.

It is an arithmetic number, because the mean of its divisors is an integer number (4462650720).

Almost surely, 2^200131321110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200131321110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285609646080).

200131321110 is an abundant number, since it is smaller than the sum of its proper divisors (371087971050).

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

200131321110 is a wasteful number, since it uses less digits than its factorization.

200131321110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375762.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 200131321110 its reverse (11123131002), we get a palindrome (211254452112).

The spelling of 200131321110 in words is "two hundred billion, one hundred thirty-one million, three hundred twenty-one thousand, one hundred ten".