111313387 has 2 divisors, whose sum is σ = 111313388. Its totient is φ = 111313386.

The previous prime is 111313357. The next prime is 111313403. The reversal of 111313387 is 783313111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111313387 - 2¹⁵ = 111280619 is a prime.

It is not a weakly prime, because it can be changed into another prime (111313327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55656693 + 55656694.

It is an arithmetic number, because the mean of its divisors is an integer number (55656694).

Almost surely, 2^111313387 is an apocalyptic number.

111313387 is a deficient number, since it is larger than the sum of its proper divisors (1).

111313387 is an equidigital number, since it uses as much as digits as its factorization.

111313387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 28.

The square root of 111313387 is about 10550.5159589472. The cubic root of 111313387 is about 481.0414122306.

Adding to 111313387 its reverse (783313111), we get a palindrome (894626498).

The spelling of 111313387 in words is "one hundred eleven million, three hundred thirteen thousand, three hundred eighty-seven".