320404011 has 16 divisors (see below), whose sum is σ = 450854400. Its totient is φ = 201836448.

The previous prime is 320404001. The next prime is 320404033. The reversal of 320404011 is 110404023.

It is not a de Polignac number, because 320404011 - 2¹⁵ = 320371243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320404001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15550 + ... + 29708.

It is an arithmetic number, because the mean of its divisors is an integer number (28178400).

Almost surely, 2^320404011 is an apocalyptic number.

320404011 is a deficient number, since it is larger than the sum of its proper divisors (130450389).

320404011 is a wasteful number, since it uses less digits than its factorization.

320404011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14578.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 320404011 is about 17899.8327087155. The cubic root of 320404011 is about 684.2781114022.

Adding to 320404011 its reverse (110404023), we get a palindrome (430808034).

The spelling of 320404011 in words is "three hundred twenty million, four hundred four thousand, eleven".