111317 has 2 divisors, whose sum is σ = 111318. Its totient is φ = 111316.

The previous prime is 111301. The next prime is 111323. The reversal of 111317 is 713111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106276 + 5041 = 326^2 + 71^2 .

It is a cyclic number.

It is not a de Polignac number, because 111317 - 2⁴ = 111301 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55658 + 55659.

It is an arithmetic number, because the mean of its divisors is an integer number (55659).

2¹¹¹³¹⁷ is an apocalyptic number.

It is an amenable number.

111317 is a deficient number, since it is larger than the sum of its proper divisors (1).

111317 is an equidigital number, since it uses as much as digits as its factorization.

111317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21, while the sum is 14.

The square root of 111317 is about 333.6420237320. The cubic root of 111317 is about 48.1046616707.

Adding to 111317 its reverse (713111), we get a palindrome (824428).

The spelling of 111317 in words is "one hundred eleven thousand, three hundred seventeen", and thus it is an iban number.