203143444042201 has 8 divisors (see below), whose sum is σ = 220163301433544. Its totient is φ = 186322649310720.

The previous prime is 203143444042159. The next prime is 203143444042223. The reversal of 203143444042201 is 102240444341302.

It can be written as a sum of positive squares in 4 ways, for example, as 1083587312025 + 202059856730176 = 1040955^2 + 14214776^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 203143444042201 - 2⁹ = 203143444041689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203143444042501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49765662840 + ... + 49765666921.

It is an arithmetic number, because the mean of its divisors is an integer number (27520412679193).

Almost surely, 2^{203143444042201} is an apocalyptic number.

It is an amenable number.

203143444042201 is a deficient number, since it is larger than the sum of its proper divisors (17019857391343).

203143444042201 is a wasteful number, since it uses less digits than its factorization.

203143444042201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99531329931.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 203143444042201 its reverse (102240444341302), we get a palindrome (305383888383503).

The spelling of 203143444042201 in words is "two hundred three trillion, one hundred forty-three billion, four hundred forty-four million, forty-two thousand, two hundred one".