321320302310011 has 4 divisors (see below), whose sum is σ = 321673013949024. Its totient is φ = 320967590671000.

The previous prime is 321320302309997. The next prime is 321320302310053. The reversal of 321320302310011 is 110013203023123.

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 321320302310011 - 2⁹ = 321320302309499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321320302310081) 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, 176355818140 + ... + 176355819961.

It is an arithmetic number, because the mean of its divisors is an integer number (80418253487256).

Almost surely, 2^{321320302310011} is an apocalyptic number.

321320302310011 is a deficient number, since it is larger than the sum of its proper divisors (352711639013).

321320302310011 is an equidigital number, since it uses as much as digits as its factorization.

321320302310011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352711639012.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 321320302310011 its reverse (110013203023123), we get a palindrome (431333505333134).

The spelling of 321320302310011 in words is "three hundred twenty-one trillion, three hundred twenty billion, three hundred two million, three hundred ten thousand, eleven".