203044041001 has 4 divisors (see below), whose sum is σ = 205490354832. Its totient is φ = 200597727172.

The previous prime is 203044040993. The next prime is 203044041019. The reversal of 203044041001 is 100140440302.

203044041001 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 203044041001 - 2³ = 203044040993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203044041001.

It is not an unprimeable number, because it can be changed into a prime (203044041061) 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, 1223156791 + ... + 1223156956.

It is an arithmetic number, because the mean of its divisors is an integer number (51372588708).

Almost surely, 2^203044041001 is an apocalyptic number.

It is an amenable number.

203044041001 is a deficient number, since it is larger than the sum of its proper divisors (2446313831).

203044041001 is an equidigital number, since it uses as much as digits as its factorization.

203044041001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446313830.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 203044041001 its reverse (100140440302), we get a palindrome (303184481303).

The spelling of 203044041001 in words is "two hundred three billion, forty-four million, forty-one thousand, one".