320040033 has 4 divisors (see below), whose sum is σ = 426720048. Its totient is φ = 213360020.

The previous prime is 320040029. The next prime is 320040041. The reversal of 320040033 is 330040023.

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.

It is a cyclic number.

It is not a de Polignac number, because 320040033 - 2² = 320040029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320039994 and 320040021.

It is not an unprimeable number, because it can be changed into a prime (320040233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53340003 + ... + 53340008.

It is an arithmetic number, because the mean of its divisors is an integer number (106680012).

Almost surely, 2^320040033 is an apocalyptic number.

It is an amenable number.

320040033 is a deficient number, since it is larger than the sum of its proper divisors (106680015).

320040033 is a wasteful number, since it uses less digits than its factorization.

320040033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106680014.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 320040033 is about 17889.6627413711. The cubic root of 320040033 is about 684.0189005926.

Adding to 320040033 its reverse (330040023), we get a palindrome (650080056).

The spelling of 320040033 in words is "three hundred twenty million, forty thousand, thirty-three".