1311412112 has 20 divisors (see below), whose sum is σ = 2554169856. Its totient is φ = 652271520.

The previous prime is 1311412111. The next prime is 1311412117. The reversal of 1311412112 is 2112141131.

It is not an unprimeable number, because it can be changed into a prime (1311412111) 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, 211508 + ... + 217619.

Almost surely, 2^1311412112 is an apocalyptic number.

It is an amenable number.

1311412112 is a deficient number, since it is larger than the sum of its proper divisors (1242757744).

1311412112 is a wasteful number, since it uses less digits than its factorization.

1311412112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429326 (or 429320 counting only the distinct ones).

The product of its digits is 48, while the sum is 17.

The square root of 1311412112 is about 36213.4244721484. The cubic root of 1311412112 is about 1094.5771980968.

Adding to 1311412112 its reverse (2112141131), we get a palindrome (3423553243).

The spelling of 1311412112 in words is "one billion, three hundred eleven million, four hundred twelve thousand, one hundred twelve".