203312405204104 has 16 divisors (see below), whose sum is σ = 435669439723200. Its totient is φ = 87133887944592.

The previous prime is 203312405204087. The next prime is 203312405204131. The reversal of 203312405204104 is 401402504213302.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1815289332124 + ... + 1815289332235.

It is an arithmetic number, because the mean of its divisors is an integer number (27229339982700).

Almost surely, 2^{203312405204104} is an apocalyptic number.

It is an amenable number.

203312405204104 is an abundant number, since it is smaller than the sum of its proper divisors (232357034519096).

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

203312405204104 is a wasteful number, since it uses less digits than its factorization.

203312405204104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3630578664372 (or 3630578664368 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 203312405204104 its reverse (401402504213302), we get a palindrome (604714909417406).

The spelling of 203312405204104 in words is "two hundred three trillion, three hundred twelve billion, four hundred five million, two hundred four thousand, one hundred four".