11231310303 has 12 divisors (see below), whose sum is σ = 16568174688. Its totient is φ = 7328230560.

The previous prime is 11231310289. The next prime is 11231310331. The reversal of 11231310303 is 30301313211.

It is a happy number.

It is not a de Polignac number, because 11231310303 - 2⁵ = 11231310271 is a prime.

It is a super-2 number, since 2×11231310303² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231310353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13275358 + ... + 13276203.

It is an arithmetic number, because the mean of its divisors is an integer number (1380681224).

Almost surely, 2^11231310303 is an apocalyptic number.

11231310303 is a deficient number, since it is larger than the sum of its proper divisors (5336864385).

11231310303 is a wasteful number, since it uses less digits than its factorization.

11231310303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26551614 (or 26551611 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11231310303 its reverse (30301313211), we get a palindrome (41532623514).

The spelling of 11231310303 in words is "eleven billion, two hundred thirty-one million, three hundred ten thousand, three hundred three".