11113031321 has 16 divisors (see below), whose sum is σ = 12789964800. Its totient is φ = 9458666448.

The previous prime is 11113031273. The next prime is 11113031339. The reversal of 11113031321 is 12313031111.

11113031321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11113031321 - 2¹⁸ = 11112769177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11113031321.

It is not an unprimeable number, because it can be changed into a prime (11113031341) 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 15 ways as a sum of consecutive naturals, for example, 591356 + ... + 609858.

It is an arithmetic number, because the mean of its divisors is an integer number (799372800).

Almost surely, 2^11113031321 is an apocalyptic number.

It is an amenable number.

11113031321 is a deficient number, since it is larger than the sum of its proper divisors (1676933479).

11113031321 is a wasteful number, since it uses less digits than its factorization.

11113031321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19108.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11113031321 its reverse (12313031111), we get a palindrome (23426062432).

The spelling of 11113031321 in words is "eleven billion, one hundred thirteen million, thirty-one thousand, three hundred twenty-one".