203144430304 has 24 divisors (see below), whose sum is σ = 400118411448. Its totient is φ = 101527056000.

The previous prime is 203144430301. The next prime is 203144430319. The reversal of 203144430304 is 403034441302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203144430301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1338067 + ... + 1482130.

It is an arithmetic number, because the mean of its divisors is an integer number (16671600477).

Almost surely, 2^203144430304 is an apocalyptic number.

It is an amenable number.

203144430304 is a deficient number, since it is larger than the sum of its proper divisors (196973981144).

203144430304 is a wasteful number, since it uses less digits than its factorization.

203144430304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2822458 (or 2822450 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 203144430304 its reverse (403034441302), we get a palindrome (606178871606).

The spelling of 203144430304 in words is "two hundred three billion, one hundred forty-four million, four hundred thirty thousand, three hundred four".