1311114111 has 8 divisors (see below), whose sum is σ = 1753774464. Its totient is φ = 871264920.

The previous prime is 1311114097. The next prime is 1311114131. The reversal of 1311114111 is 1114111131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1311114111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311114131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701701 + ... + 703566.

It is an arithmetic number, because the mean of its divisors is an integer number (219221808).

Almost surely, 2^1311114111 is an apocalyptic number.

1311114111 is a deficient number, since it is larger than the sum of its proper divisors (442660353).

1311114111 is a wasteful number, since it uses less digits than its factorization.

1311114111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405581.

The product of its digits is 12, while the sum is 15.

The square root of 1311114111 is about 36209.3097283005. The cubic root of 1311114111 is about 1094.4942824350.

Adding to 1311114111 its reverse (1114111131), we get a palindrome (2425225242).

The spelling of 1311114111 in words is "one billion, three hundred eleven million, one hundred fourteen thousand, one hundred eleven".