11031323512303 has 4 divisors (see below), whose sum is σ = 11059110221800. Its totient is φ = 11003536802808.

The previous prime is 11031323512291. The next prime is 11031323512373. The reversal of 11031323512303 is 30321532313011.

It is a happy number.

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 11031323512303 - 2¹⁷ = 11031323381231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031323512373) 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, 13893354153 + ... + 13893354946.

It is an arithmetic number, because the mean of its divisors is an integer number (2764777555450).

Almost surely, 2^{11031323512303} is an apocalyptic number.

11031323512303 is a deficient number, since it is larger than the sum of its proper divisors (27786709497).

11031323512303 is an equidigital number, since it uses as much as digits as its factorization.

11031323512303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27786709496.

The product of its (nonzero) digits is 4860, while the sum is 28.

Adding to 11031323512303 its reverse (30321532313011), we get a palindrome (41352855825314).

The spelling of 11031323512303 in words is "eleven trillion, thirty-one billion, three hundred twenty-three million, five hundred twelve thousand, three hundred three".