11031343203 has 16 divisors (see below), whose sum is σ = 15085253376. Its totient is φ = 7167669600.

The previous prime is 11031343199. The next prime is 11031343229. The reversal of 11031343203 is 30234313011.

It is not a de Polignac number, because 11031343203 - 2² = 11031343199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11031343203.

It is not an unprimeable number, because it can be changed into a prime (11031323203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205725 + ... + 253742.

It is an arithmetic number, because the mean of its divisors is an integer number (942828336).

Almost surely, 2^11031343203 is an apocalyptic number.

11031343203 is a deficient number, since it is larger than the sum of its proper divisors (4053910173).

11031343203 is a wasteful number, since it uses less digits than its factorization.

11031343203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459674.

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

Adding to 11031343203 its reverse (30234313011), we get a palindrome (41265656214).

The spelling of 11031343203 in words is "eleven billion, thirty-one million, three hundred forty-three thousand, two hundred three".