320021122320311 has 8 divisors (see below), whose sum is σ = 320663028312960. Its totient is φ = 319379423840568.

The previous prime is 320021122320287. The next prime is 320021122320379. The reversal of 320021122320311 is 113023221120023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320021122320311 - 2²⁶ = 320021055211447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320021142320311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48790601 + ... + 54959666.

It is an arithmetic number, because the mean of its divisors is an integer number (40082878539120).

Almost surely, 2^{320021122320311} is an apocalyptic number.

320021122320311 is a deficient number, since it is larger than the sum of its proper divisors (641905992649).

320021122320311 is a wasteful number, since it uses less digits than its factorization.

320021122320311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103756453.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 320021122320311 its reverse (113023221120023), we get a palindrome (433044343440334).

The spelling of 320021122320311 in words is "three hundred twenty trillion, twenty-one billion, one hundred twenty-two million, three hundred twenty thousand, three hundred eleven".