320043041 has 8 divisors (see below), whose sum is σ = 321510504. Its totient is φ = 318579840.

The previous prime is 320043029. The next prime is 320043047. The reversal of 320043041 is 140340023.

It can be written as a sum of positive squares in 4 ways, for example, as 13653025 + 306390016 = 3695^2 + 17504^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320043041 - 2²² = 315848737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320043047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374771 + ... + 375623.

It is an arithmetic number, because the mean of its divisors is an integer number (40188813).

Almost surely, 2^320043041 is an apocalyptic number.

It is an amenable number.

320043041 is a deficient number, since it is larger than the sum of its proper divisors (1467463).

320043041 is an equidigital number, since it uses as much as digits as its factorization.

320043041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131.

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

The square root of 320043041 is about 17889.7468120709. The cubic root of 320043041 is about 684.0210435770.

Adding to 320043041 its reverse (140340023), we get a palindrome (460383064).

The spelling of 320043041 in words is "three hundred twenty million, forty-three thousand, forty-one".