111310427 has 2 divisors, whose sum is σ = 111310428. Its totient is φ = 111310426.

The previous prime is 111310411. The next prime is 111310457. The reversal of 111310427 is 724013111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111310427 - 2⁴ = 111310411 is a prime.

It is a super-2 number, since 2×111310427² = 24780022317844658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111310399 and 111310408.

It is not a weakly prime, because it can be changed into another prime (111310457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55655213 + 55655214.

It is an arithmetic number, because the mean of its divisors is an integer number (55655214).

Almost surely, 2^111310427 is an apocalyptic number.

111310427 is a deficient number, since it is larger than the sum of its proper divisors (1).

111310427 is an equidigital number, since it uses as much as digits as its factorization.

111310427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 111310427 is about 10550.3756805149. The cubic root of 111310427 is about 481.0371483074.

Adding to 111310427 its reverse (724013111), we get a palindrome (835323538).

The spelling of 111310427 in words is "one hundred eleven million, three hundred ten thousand, four hundred twenty-seven".