1331133112 has 16 divisors (see below), whose sum is σ = 2553918840. Its totient is φ = 650088096.

The previous prime is 1331133091. The next prime is 1331133113. The reversal of 1331133112 is 2113311331.

It is a self number, because there is not a number n which added to its sum of digits gives 1331133112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331133113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1934443 + ... + 1935130.

Almost surely, 2^1331133112 is an apocalyptic number.

It is an amenable number.

1331133112 is a deficient number, since it is larger than the sum of its proper divisors (1222785728).

1331133112 is a wasteful number, since it uses less digits than its factorization.

1331133112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3869622 (or 3869618 counting only the distinct ones).

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

The square root of 1331133112 is about 36484.6969563953. The cubic root of 1331133112 is about 1100.0366687501.

Adding to 1331133112 its reverse (2113311331), we get a palindrome (3444444443).

The spelling of 1331133112 in words is "one billion, three hundred thirty-one million, one hundred thirty-three thousand, one hundred twelve".