1311118914 has 32 divisors (see below), whose sum is σ = 3173129856. Its totient is φ = 352569600.

The previous prime is 1311118889. The next prime is 1311118937. The reversal of 1311118914 is 4198111131.

It is a happy 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, 917437 + ... + 918864.

It is an arithmetic number, because the mean of its divisors is an integer number (99160308).

Almost surely, 2^1311118914 is an apocalyptic number.

1311118914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1311118914 is an abundant number, since it is smaller than the sum of its proper divisors (1862010942).

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

1311118914 is a wasteful number, since it uses less digits than its factorization.

1311118914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836330.

The product of its digits is 864, while the sum is 30.

The square root of 1311118914 is about 36209.3760509623. The cubic root of 1311118914 is about 1094.4956189191.

The spelling of 1311118914 in words is "one billion, three hundred eleven million, one hundred eighteen thousand, nine hundred fourteen".