203130312304 has 40 divisors (see below), whose sum is σ = 398688331520. Its totient is φ = 100243915200.

The previous prime is 203130312271. The next prime is 203130312337. The reversal of 203130312304 is 403213031302.

It is an interprime number because it is at equal distance from previous prime (203130312271) and next prime (203130312337).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3728299 + ... + 3782389.

It is an arithmetic number, because the mean of its divisors is an integer number (9967208288).

Almost surely, 2^203130312304 is an apocalyptic number.

It is an amenable number.

203130312304 is a deficient number, since it is larger than the sum of its proper divisors (195558019216).

203130312304 is a wasteful number, since it uses less digits than its factorization.

203130312304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57149 (or 57143 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 203130312304 its reverse (403213031302), we get a palindrome (606343343606).

The spelling of 203130312304 in words is "two hundred three billion, one hundred thirty million, three hundred twelve thousand, three hundred four".