111808313 has 8 divisors (see below), whose sum is σ = 117827136. Its totient is φ = 105886000.

The previous prime is 111808309. The next prime is 111808357. The reversal of 111808313 is 313808111.

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 111808313 - 2² = 111808309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111808373) 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, 21743 + ... + 26388.

It is an arithmetic number, because the mean of its divisors is an integer number (14728392).

Almost surely, 2^111808313 is an apocalyptic number.

It is an amenable number.

111808313 is a deficient number, since it is larger than the sum of its proper divisors (6018823).

111808313 is a wasteful number, since it uses less digits than its factorization.

111808313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48255.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 111808313 is about 10573.9450064770. The cubic root of 111808313 is about 481.7533000037.

The spelling of 111808313 in words is "one hundred eleven million, eight hundred eight thousand, three hundred thirteen".