111312307 has 2 divisors, whose sum is σ = 111312308. Its totient is φ = 111312306.

The previous prime is 111312301. The next prime is 111312361. The reversal of 111312307 is 703213111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111312307 - 2¹⁹ = 110788019 is a prime.

It is not a weakly prime, because it can be changed into another prime (111312301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55656153 + 55656154.

It is an arithmetic number, because the mean of its divisors is an integer number (55656154).

Almost surely, 2^111312307 is an apocalyptic number.

111312307 is a deficient number, since it is larger than the sum of its proper divisors (1).

111312307 is an equidigital number, since it uses as much as digits as its factorization.

111312307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 111312307 is about 10550.4647764921. The cubic root of 111312307 is about 481.0398564836.

Adding to 111312307 its reverse (703213111), we get a palindrome (814525418).

The spelling of 111312307 in words is "one hundred eleven million, three hundred twelve thousand, three hundred seven".