1331113132 has 24 divisors (see below), whose sum is σ = 2482454016. Its totient is φ = 623072208.

The previous prime is 1331113051. The next prime is 1331113159. The reversal of 1331113132 is 2313111331.

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 7 ways as a sum of consecutive naturals, for example, 149598 + ... + 158245.

It is an arithmetic number, because the mean of its divisors is an integer number (103435584).

Almost surely, 2^1331113132 is an apocalyptic number.

It is an amenable number.

1331113132 is a deficient number, since it is larger than the sum of its proper divisors (1151340884).

1331113132 is a wasteful number, since it uses less digits than its factorization.

1331113132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307917 (or 307915 counting only the distinct ones).

The product of its digits is 162, while the sum is 19.

The square root of 1331113132 is about 36484.4231419383. The cubic root of 1331113132 is about 1100.0311649573.

Adding to 1331113132 its reverse (2313111331), we get a palindrome (3644224463).

The spelling of 1331113132 in words is "one billion, three hundred thirty-one million, one hundred thirteen thousand, one hundred thirty-two".