7311113 has 2 divisors, whose sum is σ = 7311114. Its totient is φ = 7311112.

The previous prime is 7311091. The next prime is 7311119. The reversal of 7311113 is 3111137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7011904 + 299209 = 2648^2 + 547^2 .

It is an emirp because it is prime and its reverse (3111137) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7311113 - 2⁸ = 7310857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7311091 and 7311100.

It is not a weakly prime, because it can be changed into another prime (7311119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3655556 + 3655557.

It is an arithmetic number, because the mean of its divisors is an integer number (3655557).

Almost surely, 2^7311113 is an apocalyptic number.

It is an amenable number.

7311113 is a deficient number, since it is larger than the sum of its proper divisors (1).

7311113 is an equidigital number, since it uses as much as digits as its factorization.

7311113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63, while the sum is 17.

The square root of 7311113 is about 2703.9069880453. The cubic root of 7311113 is about 194.0861292551.

The spelling of 7311113 in words is "seven million, three hundred eleven thousand, one hundred thirteen".