203112322404 has 24 divisors (see below), whose sum is σ = 474918178560. Its totient is φ = 67562760864.

The previous prime is 203112322379. The next prime is 203112322459. The reversal of 203112322404 is 404223211302.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17662339 + ... + 17673834.

It is an arithmetic number, because the mean of its divisors is an integer number (19788257440).

Almost surely, 2^203112322404 is an apocalyptic number.

It is an amenable number.

203112322404 is an abundant number, since it is smaller than the sum of its proper divisors (271805856156).

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

203112322404 is a wasteful number, since it uses less digits than its factorization.

203112322404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35336659 (or 35336657 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 203112322404 its reverse (404223211302), we get a palindrome (607335533706).

The spelling of 203112322404 in words is "two hundred three billion, one hundred twelve million, three hundred twenty-two thousand, four hundred four".