203342044312 has 64 divisors (see below), whose sum is σ = 421511040000. Its totient is φ = 91189063680.

The previous prime is 203342044309. The next prime is 203342044351. The reversal of 203342044312 is 213440243302.

203342044312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9784989 + ... + 9805747.

It is an arithmetic number, because the mean of its divisors is an integer number (6586110000).

Almost surely, 2^203342044312 is an apocalyptic number.

203342044312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203342044312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210755520000).

203342044312 is an abundant number, since it is smaller than the sum of its proper divisors (218168995688).

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

203342044312 is a wasteful number, since it uses less digits than its factorization.

203342044312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22264 (or 22260 counting only the distinct ones).

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

Adding to 203342044312 its reverse (213440243302), we get a palindrome (416782287614).

The spelling of 203342044312 in words is "two hundred three billion, three hundred forty-two million, forty-four thousand, three hundred twelve".