1132231320 has 192 divisors, whose sum is σ = 4071824640. Its totient is φ = 270547200.

The previous prime is 1132231319. The next prime is 1132231343. The reversal of 1132231320 is 231322311.

1132231320 is a `hidden beast` number, since 11 + 322 + 313 + 20 = 666.

1132231320 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 1132231293 and 1132231302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 279147 + ... + 283173.

It is an arithmetic number, because the mean of its divisors is an integer number (21207420).

Almost surely, 2^1132231320 is an apocalyptic number.

1132231320 is a gapful number since it is divisible by the number (10) 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 1132231320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2035912320).

1132231320 is an abundant number, since it is smaller than the sum of its proper divisors (2939593320).

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

1132231320 is a wasteful number, since it uses less digits than its factorization.

1132231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4126 (or 4119 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1132231320 is about 33648.6451436013. The cubic root of 1132231320 is about 1042.2655615544.

Adding to 1132231320 its reverse (231322311), we get a palindrome (1363553631).

Subtracting from 1132231320 its reverse (231322311), we obtain a palindrome (900909009).

The spelling of 1132231320 in words is "one billion, one hundred thirty-two million, two hundred thirty-one thousand, three hundred twenty".