203031223441 has 4 divisors (see below), whose sum is σ = 203917822900. Its totient is φ = 202144623984.

The previous prime is 203031223429. The next prime is 203031223463. The reversal of 203031223441 is 144322130302.

203031223441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 108979214400 + 94052009041 = 330120^2 + 306679^2 .

It is a cyclic number.

It is not a de Polignac number, because 203031223441 - 2⁷ = 203031223313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203031223411) 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 3 ways as a sum of consecutive naturals, for example, 443299386 + ... + 443299843.

It is an arithmetic number, because the mean of its divisors is an integer number (50979455725).

Almost surely, 2^203031223441 is an apocalyptic number.

It is an amenable number.

203031223441 is a deficient number, since it is larger than the sum of its proper divisors (886599459).

203031223441 is an equidigital number, since it uses as much as digits as its factorization.

203031223441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886599458.

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

Adding to 203031223441 its reverse (144322130302), we get a palindrome (347353353743).

The spelling of 203031223441 in words is "two hundred three billion, thirty-one million, two hundred twenty-three thousand, four hundred forty-one".