1113441321 has 8 divisors (see below), whose sum is σ = 1493170560. Its totient is φ = 738003152.

The previous prime is 1113441311. The next prime is 1113441347. The reversal of 1113441321 is 1231443111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1113441321 - 2⁵ = 1113441289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1113441311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1072161 + ... + 1073198.

It is an arithmetic number, because the mean of its divisors is an integer number (186646320).

Almost surely, 2^1113441321 is an apocalyptic number.

It is an amenable number.

1113441321 is a deficient number, since it is larger than the sum of its proper divisors (379729239).

1113441321 is a wasteful number, since it uses less digits than its factorization.

1113441321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145535.

The product of its digits is 288, while the sum is 21.

The square root of 1113441321 is about 33368.2681750192. The cubic root of 1113441321 is about 1036.4677134746.

Adding to 1113441321 its reverse (1231443111), we get a palindrome (2344884432).

The spelling of 1113441321 in words is "one billion, one hundred thirteen million, four hundred forty-one thousand, three hundred twenty-one".