203104312 has 16 divisors (see below), whose sum is σ = 393105600. Its totient is φ = 98276160.

The previous prime is 203104303. The next prime is 203104327. The reversal of 203104312 is 213401302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409237 + ... + 409732.

It is an arithmetic number, because the mean of its divisors is an integer number (24569100).

Almost surely, 2^203104312 is an apocalyptic number.

It is an amenable number.

203104312 is a deficient number, since it is larger than the sum of its proper divisors (190001288).

203104312 is a wasteful number, since it uses less digits than its factorization.

203104312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819006 (or 819002 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 203104312 is about 14251.4670122061. The cubic root of 203104312 is about 587.8137145708.

Adding to 203104312 its reverse (213401302), we get a palindrome (416505614).

The spelling of 203104312 in words is "two hundred three million, one hundred four thousand, three hundred twelve".