203343031321012 has 48 divisors (see below), whose sum is σ = 392048150626944. Its totient is φ = 91512523280000.

The previous prime is 203343031320997. The next prime is 203343031321043. The reversal of 203343031321012 is 210123130343302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544074318 + ... + 544447930.

It is an arithmetic number, because the mean of its divisors is an integer number (8167669804728).

Almost surely, 2^{203343031321012} is an apocalyptic number.

203343031321012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

203343031321012 is a deficient number, since it is larger than the sum of its proper divisors (188705119305932).

203343031321012 is a wasteful number, since it uses less digits than its factorization.

203343031321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496200 (or 496198 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 203343031321012 its reverse (210123130343302), we get a palindrome (413466161664314).

The spelling of 203343031321012 in words is "two hundred three trillion, three hundred forty-three billion, thirty-one million, three hundred twenty-one thousand, twelve".