111012313 has 2 divisors, whose sum is σ = 111012314. Its totient is φ = 111012312.

The previous prime is 111012311. The next prime is 111012323. The reversal of 111012313 is 313210111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110733529 + 278784 = 10523^2 + 528^2 .

It is a cyclic number.

It is not a de Polignac number, because 111012313 - 2¹ = 111012311 is a prime.

Together with 111012311, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 111012293 and 111012302.

It is not a weakly prime, because it can be changed into another prime (111012311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55506156 + 55506157.

It is an arithmetic number, because the mean of its divisors is an integer number (55506157).

Almost surely, 2^111012313 is an apocalyptic number.

It is an amenable number.

111012313 is a deficient number, since it is larger than the sum of its proper divisors (1).

111012313 is an equidigital number, since it uses as much as digits as its factorization.

111012313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 111012313 is about 10536.2380857686. The cubic root of 111012313 is about 480.6073229813.

Adding to 111012313 its reverse (313210111), we get a palindrome (424222424).

The spelling of 111012313 in words is "one hundred eleven million, twelve thousand, three hundred thirteen".