320232971 has 2 divisors, whose sum is σ = 320232972. Its totient is φ = 320232970.

The previous prime is 320232937. The next prime is 320233009. The reversal of 320232971 is 179232023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320232971 - 2¹⁴ = 320216587 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (320232071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160116485 + 160116486.

It is an arithmetic number, because the mean of its divisors is an integer number (160116486).

Almost surely, 2^320232971 is an apocalyptic number.

320232971 is a deficient number, since it is larger than the sum of its proper divisors (1).

320232971 is an equidigital number, since it uses as much as digits as its factorization.

320232971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 320232971 is about 17895.0543726472. The cubic root of 320232971 is about 684.1563279076.

Adding to 320232971 its reverse (179232023), we get a palindrome (499464994).

The spelling of 320232971 in words is "three hundred twenty million, two hundred thirty-two thousand, nine hundred seventy-one".