203401344441 has 16 divisors (see below), whose sum is σ = 277831447488. Its totient is φ = 132286425600.

The previous prime is 203401344437. The next prime is 203401344449. The reversal of 203401344441 is 144443104302.

It is not a de Polignac number, because 203401344441 - 2² = 203401344437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203401344399 and 203401344408.

It is not an unprimeable number, because it can be changed into a prime (203401344449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3206070 + ... + 3268896.

It is an arithmetic number, because the mean of its divisors is an integer number (17364465468).

Almost surely, 2^203401344441 is an apocalyptic number.

It is an amenable number.

203401344441 is a deficient number, since it is larger than the sum of its proper divisors (74430103047).

203401344441 is a wasteful number, since it uses less digits than its factorization.

203401344441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89192.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 203401344441 its reverse (144443104302), we get a palindrome (347844448743).

The spelling of 203401344441 in words is "two hundred three billion, four hundred one million, three hundred forty-four thousand, four hundred forty-one".