11311303220003 has 4 divisors (see below), whose sum is σ = 11311392893280. Its totient is φ = 11311213546728.

The previous prime is 11311303219987. The next prime is 11311303220027. The reversal of 11311303220003 is 30002230311311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11311303220003 - 2⁴ = 11311303219987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11311303220093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44647163 + ... + 44899796.

It is an arithmetic number, because the mean of its divisors is an integer number (2827848223320).

Almost surely, 2^{11311303220003} is an apocalyptic number.

11311303220003 is a deficient number, since it is larger than the sum of its proper divisors (89673277).

11311303220003 is an equidigital number, since it uses as much as digits as its factorization.

11311303220003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89673276.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11311303220003 its reverse (30002230311311), we get a palindrome (41313533531314).

The spelling of 11311303220003 in words is "eleven trillion, three hundred eleven billion, three hundred three million, two hundred twenty thousand, three".