11310221303 has 4 divisors (see below), whose sum is σ = 11310757920. Its totient is φ = 11309684688.

The previous prime is 11310221239. The next prime is 11310221369. The reversal of 11310221303 is 30312201311.

11310221303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30312201311 = 7 ⋅4330314473.

It is a cyclic number.

It is not a de Polignac number, because 11310221303 - 2⁶ = 11310221239 is a prime.

It is a super-2 number, since 2×11310221303² (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 (11310821303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235343 + ... + 279296.

It is an arithmetic number, because the mean of its divisors is an integer number (2827689480).

Almost surely, 2^11310221303 is an apocalyptic number.

11310221303 is a deficient number, since it is larger than the sum of its proper divisors (536617).

11310221303 is an equidigital number, since it uses as much as digits as its factorization.

11310221303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536616.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11310221303 its reverse (30312201311), we get a palindrome (41622422614).

The spelling of 11310221303 in words is "eleven billion, three hundred ten million, two hundred twenty-one thousand, three hundred three".