320144241 has 4 divisors (see below), whose sum is σ = 426858992. Its totient is φ = 213429492.

The previous prime is 320144189. The next prime is 320144249. The reversal of 320144241 is 142441023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 142441023 = 3 ⋅47480341.

It is not a de Polignac number, because 320144241 - 2¹⁸ = 319882097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320144249) 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, 53357371 + ... + 53357376.

It is an arithmetic number, because the mean of its divisors is an integer number (106714748).

Almost surely, 2^320144241 is an apocalyptic number.

It is an amenable number.

320144241 is a deficient number, since it is larger than the sum of its proper divisors (106714751).

320144241 is a wasteful number, since it uses less digits than its factorization.

320144241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106714750.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 320144241 is about 17892.5750242943. The cubic root of 320144241 is about 684.0931335001.

Adding to 320144241 its reverse (142441023), we get a palindrome (462585264).

The spelling of 320144241 in words is "three hundred twenty million, one hundred forty-four thousand, two hundred forty-one".