111330013 has 2 divisors, whose sum is σ = 111330014. Its totient is φ = 111330012.

The previous prime is 111329993. The next prime is 111330017. The reversal of 111330013 is 310033111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111133764 + 196249 = 10542^2 + 443^2 .

It is a cyclic number.

It is not a de Polignac number, because 111330013 - 2⁹ = 111329501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111329975 and 111330002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111330017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55665006 + 55665007.

It is an arithmetic number, because the mean of its divisors is an integer number (55665007).

Almost surely, 2^111330013 is an apocalyptic number.

It is an amenable number.

111330013 is a deficient number, since it is larger than the sum of its proper divisors (1).

111330013 is an equidigital number, since it uses as much as digits as its factorization.

111330013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 111330013 is about 10551.3038530790. The cubic root of 111330013 is about 481.0653608216.

Adding to 111330013 its reverse (310033111), we get a palindrome (421363124).

The spelling of 111330013 in words is "one hundred eleven million, three hundred thirty thousand, thirteen".