1131301332 has 36 divisors (see below), whose sum is σ = 3268204576. Its totient is φ = 323228880.

The previous prime is 1131301309. The next prime is 1131301333. The reversal of 1131301332 is 2331031311.

It is a happy number.

1131301332 is a `hidden beast` number, since 1 + 1 + 31 + 301 + 332 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131301333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2244394 + ... + 2244897.

Almost surely, 2^1131301332 is an apocalyptic number.

1131301332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1131301332 is an abundant number, since it is smaller than the sum of its proper divisors (2136903244).

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

1131301332 is a wasteful number, since it uses less digits than its factorization.

1131301332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4489308 (or 4489303 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1131301332 is about 33634.8232045302. The cubic root of 1131301332 is about 1041.9801193029.

Adding to 1131301332 its reverse (2331031311), we get a palindrome (3462332643).

The spelling of 1131301332 in words is "one billion, one hundred thirty-one million, three hundred one thousand, three hundred thirty-two".