111244313 has 2 divisors, whose sum is σ = 111244314. Its totient is φ = 111244312.

The previous prime is 111244303. The next prime is 111244327. The reversal of 111244313 is 313442111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69422224 + 41822089 = 8332^2 + 6467^2 .

It is an emirp because it is prime and its reverse (313442111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111244313 - 2¹⁴ = 111227929 is a prime.

It is not a weakly prime, because it can be changed into another prime (111244303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55622156 + 55622157.

It is an arithmetic number, because the mean of its divisors is an integer number (55622157).

Almost surely, 2^111244313 is an apocalyptic number.

It is an amenable number.

111244313 is a deficient number, since it is larger than the sum of its proper divisors (1).

111244313 is an equidigital number, since it uses as much as digits as its factorization.

111244313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 20.

The square root of 111244313 is about 10547.2419617642. The cubic root of 111244313 is about 480.9418904188.

Adding to 111244313 its reverse (313442111), we get a palindrome (424686424).

The spelling of 111244313 in words is "one hundred eleven million, two hundred forty-four thousand, three hundred thirteen".