11310031203 has 16 divisors (see below), whose sum is σ = 15492399360. Its totient is φ = 7333968096.

The previous prime is 11310031189. The next prime is 11310031211. The reversal of 11310031203 is 30213001311.

It is a de Polignac number, because none of the positive numbers 2^k-11310031203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11310031253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392226 + ... + 420072.

It is an arithmetic number, because the mean of its divisors is an integer number (968274960).

Almost surely, 2^11310031203 is an apocalyptic number.

11310031203 is a deficient number, since it is larger than the sum of its proper divisors (4182368157).

11310031203 is a wasteful number, since it uses less digits than its factorization.

11310031203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31546.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 11310031203 its reverse (30213001311), we get a palindrome (41523032514).

The spelling of 11310031203 in words is "eleven billion, three hundred ten million, thirty-one thousand, two hundred three".