203023201110 has 16 divisors (see below), whose sum is σ = 487255682736. Its totient is φ = 54139520288.

The previous prime is 203023201081. The next prime is 203023201133. The reversal of 203023201110 is 11102320302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 203023201110.

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 7 ways as a sum of consecutive naturals, for example, 3383719989 + ... + 3383720048.

It is an arithmetic number, because the mean of its divisors is an integer number (30453480171).

Almost surely, 2^203023201110 is an apocalyptic number.

203023201110 is an abundant number, since it is smaller than the sum of its proper divisors (284232481626).

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

203023201110 is a wasteful number, since it uses less digits than its factorization.

203023201110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6767440047.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 203023201110 its reverse (11102320302), we get a palindrome (214125521412).

The spelling of 203023201110 in words is "two hundred three billion, twenty-three million, two hundred one thousand, one hundred ten".