8113331 has 2 divisors, whose sum is σ = 8113332. Its totient is φ = 8113330.

The previous prime is 8113321. The next prime is 8113337. The reversal of 8113331 is 1333118.

It is a happy number.

8113331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8113331 is a prime.

It is a super-2 number, since 2×8113331² = 131652279831122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8113337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4056665 + 4056666.

It is an arithmetic number, because the mean of its divisors is an integer number (4056666).

Almost surely, 2^8113331 is an apocalyptic number.

8113331 is a deficient number, since it is larger than the sum of its proper divisors (1).

8113331 is an equidigital number, since it uses as much as digits as its factorization.

8113331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 20.

The square root of 8113331 is about 2848.3909492905. The cubic root of 8113331 is about 200.9400000777.

Adding to 8113331 its reverse (1333118), we get a palindrome (9446449).

It can be divided in two parts, 8113 and 331, that multiplied together give a triangular number (2685403 = T₂₃₁₇).

The spelling of 8113331 in words is "eight million, one hundred thirteen thousand, three hundred thirty-one".