11433031203 has 16 divisors (see below), whose sum is σ = 16633267200. Its totient is φ = 6927691680.

The previous prime is 11433031163. The next prime is 11433031241. The reversal of 11433031203 is 30213033411.

11433031203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11433031203 - 2¹² = 11433027107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11433031203.

It is not an unprimeable number, because it can be changed into a prime (11433031243) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 141393 + ... + 207021.

It is an arithmetic number, because the mean of its divisors is an integer number (1039579200).

Almost surely, 2^11433031203 is an apocalyptic number.

11433031203 is a deficient number, since it is larger than the sum of its proper divisors (5200235997).

11433031203 is a wasteful number, since it uses less digits than its factorization.

11433031203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70922.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 11433031203 its reverse (30213033411), we get a palindrome (41646064614).

The spelling of 11433031203 in words is "eleven billion, four hundred thirty-three million, thirty-one thousand, two hundred three".