200313331021 has 4 divisors (see below), whose sum is σ = 201890601472. Its totient is φ = 198736060572.

The previous prime is 200313330941. The next prime is 200313331061. The reversal of 200313331021 is 120133313002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 120133313002 = 2 ⋅60066656501.

It is a cyclic number.

It is not a de Polignac number, because 200313331021 - 2³⁵ = 165953592653 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 200313331021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200313331061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788635035 + ... + 788635288.

It is an arithmetic number, because the mean of its divisors is an integer number (50472650368).

Almost surely, 2^200313331021 is an apocalyptic number.

It is an amenable number.

200313331021 is a deficient number, since it is larger than the sum of its proper divisors (1577270451).

200313331021 is a wasteful number, since it uses less digits than its factorization.

200313331021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577270450.

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

Adding to 200313331021 its reverse (120133313002), we get a palindrome (320446644023).

The spelling of 200313331021 in words is "two hundred billion, three hundred thirteen million, three hundred thirty-one thousand, twenty-one".