1312341112 has 16 divisors (see below), whose sum is σ = 2605383360. Its totient is φ = 617572224.

The previous prime is 1312341103. The next prime is 1312341119. The reversal of 1312341112 is 2111432131.

It is a self number, because there is not a number n which added to its sum of digits gives 1312341112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312341119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4824648 + ... + 4824919.

It is an arithmetic number, because the mean of its divisors is an integer number (162836460).

Almost surely, 2^1312341112 is an apocalyptic number.

It is an amenable number.

1312341112 is a deficient number, since it is larger than the sum of its proper divisors (1293042248).

1312341112 is a wasteful number, since it uses less digits than its factorization.

1312341112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9649590 (or 9649586 counting only the distinct ones).

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

The square root of 1312341112 is about 36226.2489363721. The cubic root of 1312341112 is about 1094.8356020438.

Adding to 1312341112 its reverse (2111432131), we get a palindrome (3423773243).

The spelling of 1312341112 in words is "one billion, three hundred twelve million, three hundred forty-one thousand, one hundred twelve".