203331042404 has 96 divisors (see below), whose sum is σ = 423805304832. Its totient is φ = 83525904000.

The previous prime is 203331042391. The next prime is 203331042407. The reversal of 203331042404 is 404240133302.

It is not an unprimeable number, because it can be changed into a prime (203331042407) 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 31 ways as a sum of consecutive naturals, for example, 43999214 + ... + 44003834.

It is an arithmetic number, because the mean of its divisors is an integer number (4414638592).

Almost surely, 2^203331042404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203331042404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211902652416).

203331042404 is an abundant number, since it is smaller than the sum of its proper divisors (220474262428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203331042404 is a wasteful number, since it uses less digits than its factorization.

203331042404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5137 (or 5135 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 203331042404 its reverse (404240133302), we get a palindrome (607571175706).

The spelling of 203331042404 in words is "two hundred three billion, three hundred thirty-one million, forty-two thousand, four hundred four".