111713287 has 12 divisors (see below), whose sum is σ = 131736576. Its totient is φ = 94439520.

The previous prime is 111713267. The next prime is 111713291. The reversal of 111713287 is 782317111.

It is not a de Polignac number, because 111713287 - 2⁷ = 111713159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111713207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12039 + ... + 19192.

It is an arithmetic number, because the mean of its divisors is an integer number (10978048).

Almost surely, 2^111713287 is an apocalyptic number.

111713287 is a deficient number, since it is larger than the sum of its proper divisors (20023289).

111713287 is an equidigital number, since it uses as much as digits as its factorization.

111713287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31318 (or 31311 counting only the distinct ones).

The product of its digits is 2352, while the sum is 31.

The square root of 111713287 is about 10569.4506479760. The cubic root of 111713287 is about 481.6167804456.

The spelling of 111713287 in words is "one hundred eleven million, seven hundred thirteen thousand, two hundred eighty-seven".