11031230203 has 8 divisors (see below), whose sum is σ = 12864408800. Its totient is φ = 9455339880.

The previous prime is 11031230173. The next prime is 11031230213. The reversal of 11031230203 is 30203213011.

It is not a de Polignac number, because 11031230203 - 2¹³ = 11031222011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11031230213) 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, 16080168 + ... + 16080853.

It is an arithmetic number, because the mean of its divisors is an integer number (1608051100).

Almost surely, 2^11031230203 is an apocalyptic number.

11031230203 is a deficient number, since it is larger than the sum of its proper divisors (1833178597).

11031230203 is an frugal number, since it uses more digits than its factorization.

11031230203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32161042 (or 32161028 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 11031230203 its reverse (30203213011), we get a palindrome (41234443214).

The spelling of 11031230203 in words is "eleven billion, thirty-one million, two hundred thirty thousand, two hundred three".