203200341321 has 4 divisors (see below), whose sum is σ = 270933788432. Its totient is φ = 135466894212.

The previous prime is 203200341313. The next prime is 203200341361. The reversal of 203200341321 is 123143002302.

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.

It is not a de Polignac number, because 203200341321 - 2³ = 203200341313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203200341361) 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, 33866723551 + ... + 33866723556.

It is an arithmetic number, because the mean of its divisors is an integer number (67733447108).

Almost surely, 2^203200341321 is an apocalyptic number.

It is an amenable number.

203200341321 is a deficient number, since it is larger than the sum of its proper divisors (67733447111).

203200341321 is an equidigital number, since it uses as much as digits as its factorization.

203200341321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67733447110.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 203200341321 its reverse (123143002302), we get a palindrome (326343343623).

The spelling of 203200341321 in words is "two hundred three billion, two hundred million, three hundred forty-one thousand, three hundred twenty-one".