11203031244 has 24 divisors (see below), whose sum is σ = 26633622960. Its totient is φ = 3663884224.

The previous prime is 11203031243. The next prime is 11203031261. The reversal of 11203031244 is 44213030211.

It is a self number, because there is not a number n which added to its sum of digits gives 11203031244.

It is not an unprimeable number, because it can be changed into a prime (11203031243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8806779 + ... + 8808050.

It is an arithmetic number, because the mean of its divisors is an integer number (1109734290).

Almost surely, 2^11203031244 is an apocalyptic number.

It is an amenable number.

11203031244 is an abundant number, since it is smaller than the sum of its proper divisors (15430591716).

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

11203031244 is a wasteful number, since it uses less digits than its factorization.

11203031244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17614889 (or 17614887 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11203031244 its reverse (44213030211), we get a palindrome (55416061455).

The spelling of 11203031244 in words is "eleven billion, two hundred three million, thirty-one thousand, two hundred forty-four".