320213055009 has 4 divisors (see below), whose sum is σ = 426950740016. Its totient is φ = 213475370004.

The previous prime is 320213054999. The next prime is 320213055017. The reversal of 320213055009 is 900550312023.

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 not a de Polignac number, because 320213055009 - 2⁷ = 320213054881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320213055809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53368842499 + ... + 53368842504.

It is an arithmetic number, because the mean of its divisors is an integer number (106737685004).

Almost surely, 2^320213055009 is an apocalyptic number.

It is an amenable number.

320213055009 is a deficient number, since it is larger than the sum of its proper divisors (106737685007).

320213055009 is a wasteful number, since it uses less digits than its factorization.

320213055009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106737685006.

The product of its (nonzero) digits is 8100, while the sum is 30.

The spelling of 320213055009 in words is "three hundred twenty billion, two hundred thirteen million, fifty-five thousand, nine".