11313111 has 8 divisors (see below), whose sum is σ = 15233904. Its totient is φ = 7467200.

The previous prime is 11313097. The next prime is 11313139. The reversal of 11313111 is 11131311.

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

It is a cyclic number.

It is not a de Polignac number, because 11313111 - 2¹³ = 11304919 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313311) 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, 18366 + ... + 18971.

It is an arithmetic number, because the mean of its divisors is an integer number (1904238).

Almost surely, 2^11313111 is an apocalyptic number.

11313111 is a deficient number, since it is larger than the sum of its proper divisors (3920793).

11313111 is a wasteful number, since it uses less digits than its factorization.

11313111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37441.

The product of its digits is 9, while the sum is 12.

The square root of 11313111 is about 3363.4968410867. The cubic root of 11313111 is about 224.4884576318.

Adding to 11313111 its reverse (11131311), we get a palindrome (22444422).

The spelling of 11313111 in words is "eleven million, three hundred thirteen thousand, one hundred eleven".