320242441 has 2 divisors, whose sum is σ = 320242442. Its totient is φ = 320242440.

The previous prime is 320242421. The next prime is 320242453. The reversal of 320242441 is 144242023.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249766416 + 70476025 = 15804^2 + 8395^2 .

It is a cyclic number.

It is not a de Polignac number, because 320242441 - 2¹⁷ = 320111369 is a prime.

It is not a weakly prime, because it can be changed into another prime (320242411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160121220 + 160121221.

It is an arithmetic number, because the mean of its divisors is an integer number (160121221).

Almost surely, 2^320242441 is an apocalyptic number.

It is an amenable number.

320242441 is a deficient number, since it is larger than the sum of its proper divisors (1).

320242441 is an equidigital number, since it uses as much as digits as its factorization.

320242441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 320242441 is about 17895.3189689371. The cubic root of 320242441 is about 684.1630718483.

Adding to 320242441 its reverse (144242023), we get a palindrome (464484464).

The spelling of 320242441 in words is "three hundred twenty million, two hundred forty-two thousand, four hundred forty-one".