203012311300 has 36 divisors (see below), whose sum is σ = 443899619856. Its totient is φ = 80585034400.

The previous prime is 203012311289. The next prime is 203012311301. The reversal of 203012311300 is 3113210302.

203012311300 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (203012311301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7735462 + ... + 7761661.

It is an arithmetic number, because the mean of its divisors is an integer number (12330544996).

Almost surely, 2^203012311300 is an apocalyptic number.

203012311300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203012311300 is an abundant number, since it is smaller than the sum of its proper divisors (240887308556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203012311300 is a wasteful number, since it uses less digits than its factorization.

203012311300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15497268 (or 15497261 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 203012311300 its reverse (3113210302), we get a palindrome (206125521602).

The spelling of 203012311300 in words is "two hundred three billion, twelve million, three hundred eleven thousand, three hundred".