203343243334201 has 4 divisors (see below), whose sum is σ = 215304610589172. Its totient is φ = 191381876079232.

The previous prime is 203343243334199. The next prime is 203343243334271. The reversal of 203343243334201 is 102433342343302.

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 114188480181801 + 89154763152400 = 10685901^2 + 9442180^2 .

It is a cyclic number.

It is not a de Polignac number, because 203343243334201 - 2¹ = 203343243334199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203343243334271) 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, 5980683627460 + ... + 5980683627493.

It is an arithmetic number, because the mean of its divisors is an integer number (53826152647293).

Almost surely, 2^{203343243334201} is an apocalyptic number.

It is an amenable number.

203343243334201 is a deficient number, since it is larger than the sum of its proper divisors (11961367254971).

203343243334201 is a wasteful number, since it uses less digits than its factorization.

203343243334201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11961367254970.

The product of its (nonzero) digits is 373248, while the sum is 37.

Adding to 203343243334201 its reverse (102433342343302), we get a palindrome (305776585677503).

The spelling of 203343243334201 in words is "two hundred three trillion, three hundred forty-three billion, two hundred forty-three million, three hundred thirty-four thousand, two hundred one".