11313220303 has 24 divisors (see below), whose sum is σ = 14363450064. Its totient is φ = 8811331200.

The previous prime is 11313220267. The next prime is 11313220309. The reversal of 11313220303 is 30302231311.

It is not a de Polignac number, because 11313220303 - 2⁹ = 11313219791 is a prime.

It is a super-2 number, since 2×11313220303² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313220309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1646451 + ... + 1653307.

It is an arithmetic number, because the mean of its divisors is an integer number (598477086).

Almost surely, 2^11313220303 is an apocalyptic number.

11313220303 is a deficient number, since it is larger than the sum of its proper divisors (3050229761).

11313220303 is a wasteful number, since it uses less digits than its factorization.

11313220303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9943 (or 9936 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 11313220303 its reverse (30302231311), we get a palindrome (41615451614).

The spelling of 11313220303 in words is "eleven billion, three hundred thirteen million, two hundred twenty thousand, three hundred three".