1113321132 has 96 divisors (see below), whose sum is σ = 3598640640. Its totient is φ = 289172160.

The previous prime is 1113321113. The next prime is 1113321149. The reversal of 1113321132 is 2311233111.

It is a super-2 number, since 2×1113321132² = 2478967885915522848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 58623 + ... + 75254.

It is an arithmetic number, because the mean of its divisors is an integer number (37485840).

Almost surely, 2^1113321132 is an apocalyptic number.

1113321132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1113321132 is an abundant number, since it is smaller than the sum of its proper divisors (2485319508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1113321132 is a wasteful number, since it uses less digits than its factorization.

1113321132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133908 (or 133900 counting only the distinct ones).

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

The square root of 1113321132 is about 33366.4671788908. The cubic root of 1113321132 is about 1036.4304187386.

Adding to 1113321132 its reverse (2311233111), we get a palindrome (3424554243).

The spelling of 1113321132 in words is "one billion, one hundred thirteen million, three hundred twenty-one thousand, one hundred thirty-two".