320300471 has 2 divisors, whose sum is σ = 320300472. Its totient is φ = 320300470.

The previous prime is 320300443. The next prime is 320300483. The reversal of 320300471 is 174003023.

It is a strong prime.

It is an emirp because it is prime and its reverse (174003023) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320300471 is a prime.

It is a super-3 number, since 3×320300471³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320300171) 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, 160150235 + 160150236.

It is an arithmetic number, because the mean of its divisors is an integer number (160150236).

Almost surely, 2^320300471 is an apocalyptic number.

320300471 is a deficient number, since it is larger than the sum of its proper divisors (1).

320300471 is an equidigital number, since it uses as much as digits as its factorization.

320300471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 320300471 is about 17896.9402692192. The cubic root of 320300471 is about 684.2043942759.

Adding to 320300471 its reverse (174003023), we get a palindrome (494303494).

The spelling of 320300471 in words is "three hundred twenty million, three hundred thousand, four hundred seventy-one".