320320262011 has 4 divisors (see below), whose sum is σ = 325101161512. Its totient is φ = 315539362512.

The previous prime is 320320261993. The next prime is 320320262027. The reversal of 320320262011 is 110262023023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320320262011 - 2³⁷ = 182881308539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320320262611) 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, 2390449650 + ... + 2390449783.

It is an arithmetic number, because the mean of its divisors is an integer number (81275290378).

Almost surely, 2^320320262011 is an apocalyptic number.

320320262011 is a deficient number, since it is larger than the sum of its proper divisors (4780899501).

320320262011 is an equidigital number, since it uses as much as digits as its factorization.

320320262011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4780899500.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 320320262011 its reverse (110262023023), we get a palindrome (430582285034).

The spelling of 320320262011 in words is "three hundred twenty billion, three hundred twenty million, two hundred sixty-two thousand, eleven".