1311114112 has 128 divisors (see below), whose sum is σ = 3283649280. Its totient is φ = 506572800.

The previous prime is 1311114097. The next prime is 1311114131. The reversal of 1311114112 is 2114111131.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1349787 + ... + 1350757.

It is an arithmetic number, because the mean of its divisors is an integer number (25653510).

Almost surely, 2^1311114112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1311114112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1641824640).

1311114112 is an abundant number, since it is smaller than the sum of its proper divisors (1972535168).

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

1311114112 is a wasteful number, since it uses less digits than its factorization.

1311114112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140 (or 1128 counting only the distinct ones).

The product of its digits is 24, while the sum is 16.

The square root of 1311114112 is about 36209.3097421091. The cubic root of 1311114112 is about 1094.4942827132.

Adding to 1311114112 its reverse (2114111131), we get a palindrome (3425225243).

The spelling of 1311114112 in words is "one billion, three hundred eleven million, one hundred fourteen thousand, one hundred twelve".