203112003343201 has 4 divisors (see below), whose sum is σ = 203359399206804. Its totient is φ = 202864607479600.

The previous prime is 203112003343111. The next prime is 203112003343241. The reversal of 203112003343201 is 102343300211302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49407178392576 + 153704824950625 = 7029024^2 + 12397775^2 .

It is a cyclic number.

It is not a de Polignac number, because 203112003343201 - 2¹¹ = 203112003341153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203112003343241) 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, 123697930570 + ... + 123697932211.

It is an arithmetic number, because the mean of its divisors is an integer number (50839849801701).

Almost surely, 2^{203112003343201} is an apocalyptic number.

It is an amenable number.

203112003343201 is a deficient number, since it is larger than the sum of its proper divisors (247395863603).

203112003343201 is an equidigital number, since it uses as much as digits as its factorization.

203112003343201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247395863602.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 203112003343201 its reverse (102343300211302), we get a palindrome (305455303554503).

The spelling of 203112003343201 in words is "two hundred three trillion, one hundred twelve billion, three million, three hundred forty-three thousand, two hundred one".