200031311323 has 16 divisors (see below), whose sum is σ = 207639058176. Its totient is φ = 192559862880.

The previous prime is 200031311303. The next prime is 200031311339. The reversal of 200031311323 is 323113130002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200031311323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200031311323.

It is not an unprimeable number, because it can be changed into a prime (200031311303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10135261 + ... + 10154977.

It is an arithmetic number, because the mean of its divisors is an integer number (12977441136).

Almost surely, 2^200031311323 is an apocalyptic number.

200031311323 is a deficient number, since it is larger than the sum of its proper divisors (7607746853).

200031311323 is a wasteful number, since it uses less digits than its factorization.

200031311323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23154.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 200031311323 its reverse (323113130002), we get a palindrome (523144441325).

The spelling of 200031311323 in words is "two hundred billion, thirty-one million, three hundred eleven thousand, three hundred twenty-three".