1113132321 has 32 divisors (see below), whose sum is σ = 1896007680. Its totient is φ = 632248848.

The previous prime is 1113132313. The next prime is 1113132323. The reversal of 1113132321 is 1232313111.

It is not a de Polignac number, because 1113132321 - 2³ = 1113132313 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1113132294 and 1113132303.

It is not an unprimeable number, because it can be changed into a prime (1113132323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13930 + ... + 49196.

It is an arithmetic number, because the mean of its divisors is an integer number (59250240).

Almost surely, 2^1113132321 is an apocalyptic number.

It is an amenable number.

1113132321 is a deficient number, since it is larger than the sum of its proper divisors (782875359).

1113132321 is a wasteful number, since it uses less digits than its factorization.

1113132321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35450 (or 35444 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 1113132321 is about 33363.6377063413. The cubic root of 1113132321 is about 1036.3718251242.

Adding to 1113132321 its reverse (1232313111), we get a palindrome (2345445432).

The spelling of 1113132321 in words is "one billion, one hundred thirteen million, one hundred thirty-two thousand, three hundred twenty-one".