203111013044 has 48 divisors (see below), whose sum is σ = 369683395200. Its totient is φ = 97525819776.

The previous prime is 203111013013. The next prime is 203111013059. The reversal of 203111013044 is 440310111302.

203111013044 is digitally balanced in base 2 and base 3, because in such bases 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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31937537 + ... + 31943895.

It is an arithmetic number, because the mean of its divisors is an integer number (7701737400).

Almost surely, 2^203111013044 is an apocalyptic number.

It is an amenable number.

203111013044 is a deficient number, since it is larger than the sum of its proper divisors (166572382156).

203111013044 is a wasteful number, since it uses less digits than its factorization.

203111013044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7832 (or 7830 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 203111013044 its reverse (440310111302), we get a palindrome (643421124346).

The spelling of 203111013044 in words is "two hundred three billion, one hundred eleven million, thirteen thousand, forty-four".