1311324112 has 40 divisors (see below), whose sum is σ = 2943440576. Its totient is φ = 554294016.

The previous prime is 1311324109. The next prime is 1311324143. The reversal of 1311324112 is 2114231131.

It is a self number, because there is not a number n which added to its sum of digits gives 1311324112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72018 + ... + 88369.

Almost surely, 2^1311324112 is an apocalyptic number.

It is an amenable number.

1311324112 is an abundant number, since it is smaller than the sum of its proper divisors (1632116464).

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

1311324112 is a wasteful number, since it uses less digits than its factorization.

1311324112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160475 (or 160469 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 1311324112 is about 36212.2094327314. The cubic root of 1311324112 is about 1094.5527143242.

Adding to 1311324112 its reverse (2114231131), we get a palindrome (3425555243).

The spelling of 1311324112 in words is "one billion, three hundred eleven million, three hundred twenty-four thousand, one hundred twelve".