320303441 has 2 divisors, whose sum is σ = 320303442. Its totient is φ = 320303440.

The previous prime is 320303437. The next prime is 320303461. The reversal of 320303441 is 144303023.

It is an a-pointer prime, because the next prime (320303461) can be obtained adding 320303441 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317730625 + 2572816 = 17825^2 + 1604^2 .

It is an emirp because it is prime and its reverse (144303023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320303441 - 2² = 320303437 is a prime.

It is not a weakly prime, because it can be changed into another prime (320303461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160151720 + 160151721.

It is an arithmetic number, because the mean of its divisors is an integer number (160151721).

Almost surely, 2^320303441 is an apocalyptic number.

It is an amenable number.

320303441 is a deficient number, since it is larger than the sum of its proper divisors (1).

320303441 is an equidigital number, since it uses as much as digits as its factorization.

320303441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 320303441 is about 17897.0232441040. The cubic root of 320303441 is about 684.2065090410.

Adding to 320303441 its reverse (144303023), we get a palindrome (464606464).

The spelling of 320303441 in words is "three hundred twenty million, three hundred three thousand, four hundred forty-one".