8115131 has 2 divisors, whose sum is σ = 8115132. Its totient is φ = 8115130.

The previous prime is 8115119. The next prime is 8115167. The reversal of 8115131 is 1315118.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8115131 - 2¹⁰ = 8114107 is a prime.

It is a super-2 number, since 2×8115131² = 131710702294322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8115101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4057565 + 4057566.

It is an arithmetic number, because the mean of its divisors is an integer number (4057566).

Almost surely, 2^8115131 is an apocalyptic number.

8115131 is a deficient number, since it is larger than the sum of its proper divisors (1).

8115131 is an equidigital number, since it uses as much as digits as its factorization.

8115131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120, while the sum is 20.

The square root of 8115131 is about 2848.7068996301. The cubic root of 8115131 is about 200.9548589668.

The spelling of 8115131 in words is "eight million, one hundred fifteen thousand, one hundred thirty-one".