320240241 has 12 divisors (see below), whose sum is σ = 464592180. Its totient is φ = 212559840.

The previous prime is 320240227. The next prime is 320240251. The reversal of 320240241 is 142042023.

It can be written as a sum of positive squares in 2 ways, for example, as 299117025 + 21123216 = 17295^2 + 4596^2 .

It is not a de Polignac number, because 320240241 - 2⁹ = 320239729 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (320240251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75630 + ... + 79751.

It is an arithmetic number, because the mean of its divisors is an integer number (38716015).

Almost surely, 2^320240241 is an apocalyptic number.

It is an amenable number.

320240241 is a deficient number, since it is larger than the sum of its proper divisors (144351939).

320240241 is a wasteful number, since it uses less digits than its factorization.

320240241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155616 (or 155613 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 320240241 is about 17895.2575002429. The cubic root of 320240241 is about 684.1615051580.

Adding to 320240241 its reverse (142042023), we get a palindrome (462282264).

The spelling of 320240241 in words is "three hundred twenty million, two hundred forty thousand, two hundred forty-one".