203113004 has 6 divisors (see below), whose sum is σ = 355447764. Its totient is φ = 101556500.

The previous prime is 203113003. The next prime is 203113051. The reversal of 203113004 is 400311302.

It is a self number, because there is not a number n which added to its sum of digits gives 203113004.

It is not an unprimeable number, because it can be changed into a prime (203113003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25389122 + ... + 25389129.

It is an arithmetic number, because the mean of its divisors is an integer number (59241294).

Almost surely, 2^203113004 is an apocalyptic number.

It is an amenable number.

203113004 is a deficient number, since it is larger than the sum of its proper divisors (152334760).

203113004 is a wasteful number, since it uses less digits than its factorization.

203113004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50778255 (or 50778253 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 203113004 is about 14251.7719600055. The cubic root of 203113004 is about 587.8220997594.

Adding to 203113004 its reverse (400311302), we get a palindrome (603424306).

The spelling of 203113004 in words is "two hundred three million, one hundred thirteen thousand, four".