203401330441 has 6 divisors (see below), whose sum is σ = 206306492426. Its totient is φ = 200536518000.

The previous prime is 203401330399. The next prime is 203401330519. The reversal of 203401330441 is 144033104302.

It can be written as a sum of positive squares in only one way, i.e., 112305414400 + 91095916041 = 335120^2 + 301821^2 .

It is not a de Polignac number, because 203401330441 - 2²³ = 203392941833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203401330241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20169660 + ... + 20179741.

Almost surely, 2^203401330441 is an apocalyptic number.

It is an amenable number.

203401330441 is a deficient number, since it is larger than the sum of its proper divisors (2905161985).

203401330441 is an frugal number, since it uses more digits than its factorization.

203401330441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40349543 (or 40349472 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 203401330441 its reverse (144033104302), we get a palindrome (347434434743).

The spelling of 203401330441 in words is "two hundred three billion, four hundred one million, three hundred thirty thousand, four hundred forty-one".