203113020304 has 10 divisors (see below), whose sum is σ = 393531476870. Its totient is φ = 101556510144.

The previous prime is 203113020251. The next prime is 203113020343. The reversal of 203113020304 is 403020311302.

It can be written as a sum of positive squares in only one way, i.e., 162328410000 + 40784610304 = 402900^2 + 201952^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6347281869 + ... + 6347281900.

It is an arithmetic number, because the mean of its divisors is an integer number (39353147687).

Almost surely, 2^203113020304 is an apocalyptic number.

It is an amenable number.

203113020304 is a deficient number, since it is larger than the sum of its proper divisors (190418456566).

203113020304 is a wasteful number, since it uses less digits than its factorization.

203113020304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12694563777 (or 12694563771 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 203113020304 its reverse (403020311302), we get a palindrome (606133331606).

The spelling of 203113020304 in words is "two hundred three billion, one hundred thirteen million, twenty thousand, three hundred four".