817311113 has 2 divisors, whose sum is σ = 817311114. Its totient is φ = 817311112.

The previous prime is 817311101. The next prime is 817311127. The reversal of 817311113 is 311113718.

817311113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 578546809 + 238764304 = 24053^2 + 15452^2 .

It is a cyclic number.

It is not a de Polignac number, because 817311113 - 2¹⁴ = 817294729 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (817311133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 408655556 + 408655557.

It is an arithmetic number, because the mean of its divisors is an integer number (408655557).

Almost surely, 2^817311113 is an apocalyptic number.

It is an amenable number.

817311113 is a deficient number, since it is larger than the sum of its proper divisors (1).

817311113 is an equidigital number, since it uses as much as digits as its factorization.

817311113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 26.

The square root of 817311113 is about 28588.6535709536. The cubic root of 817311113 is about 934.9659640446.

The spelling of 817311113 in words is "eight hundred seventeen million, three hundred eleven thousand, one hundred thirteen".