1112131332 has 144 divisors (see below), whose sum is σ = 3209053120. Its totient is φ = 321926400.

The previous prime is 1112131327. The next prime is 1112131337. The reversal of 1112131332 is 2331312111.

It is an interprime number because it is at equal distance from previous prime (1112131327) and next prime (1112131337).

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.

It is not an unprimeable number, because it can be changed into a prime (1112131337) 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 47 ways as a sum of consecutive naturals, for example, 1609107 + ... + 1609797.

Almost surely, 2^1112131332 is an apocalyptic number.

1112131332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112131332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1604526560).

1112131332 is an abundant number, since it is smaller than the sum of its proper divisors (2096921788).

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

1112131332 is a wasteful number, since it uses less digits than its factorization.

1112131332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 909 counting only the distinct ones).

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

The square root of 1112131332 is about 33348.6331354075. The cubic root of 1112131332 is about 1036.0610780267.

Adding to 1112131332 its reverse (2331312111), we get a palindrome (3443443443).

The spelling of 1112131332 in words is "one billion, one hundred twelve million, one hundred thirty-one thousand, three hundred thirty-two".