203311444012 has 24 divisors (see below), whose sum is σ = 361653922112. Its totient is φ = 99981993600.

The previous prime is 203311444009. The next prime is 203311444027. The reversal of 203311444012 is 210444113302.

203311444012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×203311444012² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5199928 + ... + 5238880.

Almost surely, 2^203311444012 is an apocalyptic number.

It is an amenable number.

203311444012 is a deficient number, since it is larger than the sum of its proper divisors (158342478100).

203311444012 is a wasteful number, since it uses less digits than its factorization.

203311444012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60409 (or 60407 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 203311444012 its reverse (210444113302), we get a palindrome (413755557314).

The spelling of 203311444012 in words is "two hundred three billion, three hundred eleven million, four hundred forty-four thousand, twelve".