203140344404 has 12 divisors (see below), whose sum is σ = 355501492500. Its totient is φ = 101568489408.

The previous prime is 203140344397. The next prime is 203140344409. The reversal of 203140344404 is 404443041302.

It is a happy number.

203140344404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 76120810000 + 127019534404 = 275900^2 + 356398^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203140344409) 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, 126179 + ... + 649770.

It is an arithmetic number, because the mean of its divisors is an integer number (29625124375).

Almost surely, 2^203140344404 is an apocalyptic number.

It is an amenable number.

203140344404 is a deficient number, since it is larger than the sum of its proper divisors (152361148096).

203140344404 is a wasteful number, since it uses less digits than its factorization.

203140344404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841402 (or 841400 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 203140344404 its reverse (404443041302), we get a palindrome (607583385706).

The spelling of 203140344404 in words is "two hundred three billion, one hundred forty million, three hundred forty-four thousand, four hundred four".