320304041 has 4 divisors (see below), whose sum is σ = 320341332. Its totient is φ = 320266752.

The previous prime is 320304001. The next prime is 320304053. The reversal of 320304041 is 140403023.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 140403023 = 10559 ⋅13297.

It can be written as a sum of positive squares in 2 ways, for example, as 76038400 + 244265641 = 8720^2 + 15629^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320304041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320304001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1481 + ... + 25353.

It is an arithmetic number, because the mean of its divisors is an integer number (80085333).

Almost surely, 2^320304041 is an apocalyptic number.

It is an amenable number.

320304041 is a deficient number, since it is larger than the sum of its proper divisors (37291).

320304041 is a wasteful number, since it uses less digits than its factorization.

320304041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37290.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 320304041 is about 17897.0400066603. The cubic root of 320304041 is about 684.2069362647.

Adding to 320304041 its reverse (140403023), we get a palindrome (460707064).

The spelling of 320304041 in words is "three hundred twenty million, three hundred four thousand, forty-one".