203113402404 has 48 divisors (see below), whose sum is σ = 517044741696. Its totient is φ = 61546086400.

The previous prime is 203113402367. The next prime is 203113402421. The reversal of 203113402404 is 404204311302.

It is a super-2 number, since 2×203113402404² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3346084 + ... + 3406244.

It is an arithmetic number, because the mean of its divisors is an integer number (10771765452).

Almost surely, 2^203113402404 is an apocalyptic number.

It is an amenable number.

203113402404 is an abundant number, since it is smaller than the sum of its proper divisors (313931339292).

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

203113402404 is a wasteful number, since it uses less digits than its factorization.

203113402404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85756 (or 85754 counting only the distinct ones).

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

Adding to 203113402404 its reverse (404204311302), we get a palindrome (607317713706).

The spelling of 203113402404 in words is "two hundred three billion, one hundred thirteen million, four hundred two thousand, four hundred four".