200303311321 has 16 divisors (see below), whose sum is σ = 204852175360. Its totient is φ = 195811032960.

The previous prime is 200303311319. The next prime is 200303311337. The reversal of 200303311321 is 123113303002.

It is a cyclic number.

It is not a de Polignac number, because 200303311321 - 2¹ = 200303311319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200303311921) 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, 3701026 + ... + 3754756.

It is an arithmetic number, because the mean of its divisors is an integer number (12803260960).

Almost surely, 2^200303311321 is an apocalyptic number.

It is an amenable number.

200303311321 is a deficient number, since it is larger than the sum of its proper divisors (4548864039).

200303311321 is a wasteful number, since it uses less digits than its factorization.

200303311321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54256.

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

Adding to 200303311321 its reverse (123113303002), we get a palindrome (323416614323).

The spelling of 200303311321 in words is "two hundred billion, three hundred three million, three hundred eleven thousand, three hundred twenty-one".