8312971 has 2 divisors, whose sum is σ = 8312972. Its totient is φ = 8312970.

The previous prime is 8312963. The next prime is 8312977. The reversal of 8312971 is 1792138.

8312971 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 not a de Polignac number, because 8312971 - 2³ = 8312963 is a prime.

It is a Chen prime.

It is equal to p₅₅₉₄₂₆ and since 8312971 and 559426 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (8312977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4156485 + 4156486.

It is an arithmetic number, because the mean of its divisors is an integer number (4156486).

Almost surely, 2^8312971 is an apocalyptic number.

8312971 is a deficient number, since it is larger than the sum of its proper divisors (1).

8312971 is an equidigital number, since it uses as much as digits as its factorization.

8312971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 31.

The square root of 8312971 is about 2883.2223292698. Note that the first 3 decimals coincide. The cubic root of 8312971 is about 202.5748014060.

The spelling of 8312971 in words is "eight million, three hundred twelve thousand, nine hundred seventy-one".