328071971 has 2 divisors, whose sum is σ = 328071972. Its totient is φ = 328071970.

The previous prime is 328071959. The next prime is 328071973. The reversal of 328071971 is 179170823.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 328071971 - 2⁶ = 328071907 is a prime.

Together with 328071973, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (328071973) 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, 164035985 + 164035986.

It is an arithmetic number, because the mean of its divisors is an integer number (164035986).

Almost surely, 2^328071971 is an apocalyptic number.

328071971 is a deficient number, since it is larger than the sum of its proper divisors (1).

328071971 is an equidigital number, since it uses as much as digits as its factorization.

328071971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 328071971 is about 18112.7571341306. The cubic root of 328071971 is about 689.6938857785.

The spelling of 328071971 in words is "three hundred twenty-eight million, seventy-one thousand, nine hundred seventy-one".