203111044002 has 12 divisors (see below), whose sum is σ = 440073928710. Its totient is φ = 67703681328.

The previous prime is 203111043979. The next prime is 203111044009. The reversal of 203111044002 is 200440111302.

203111044002 is a `hidden beast` number, since 203 + 11 + 10 + 440 + 0 + 2 = 666.

203111044002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 129377615481 + 73733428521 = 359691^2 + 271539^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11283946889 = 203111044002 / (2 + 0 + 3 + 1 + 1 + 1 + 0 + 4 + 4 + 0 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (203111044009) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 5641973427 + ... + 5641973462.

Almost surely, 2^203111044002 is an apocalyptic number.

203111044002 is an abundant number, since it is smaller than the sum of its proper divisors (236962884708).

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

203111044002 is a wasteful number, since it uses less digits than its factorization.

203111044002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11283946897 (or 11283946894 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 203111044002 its reverse (200440111302), we get a palindrome (403551155304).

The spelling of 203111044002 in words is "two hundred three billion, one hundred eleven million, forty-four thousand, two".