321031022321011 has 4 divisors (see below), whose sum is σ = 321198837807672. Its totient is φ = 320863206834352.

The previous prime is 321031022320999. The next prime is 321031022321189. The reversal of 321031022321011 is 110123220130123.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321031022321011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321031022322011) 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, 83907740461 + ... + 83907744286.

It is an arithmetic number, because the mean of its divisors is an integer number (80299709451918).

Almost surely, 2^{321031022321011} is an apocalyptic number.

321031022321011 is a deficient number, since it is larger than the sum of its proper divisors (167815486661).

321031022321011 is a wasteful number, since it uses less digits than its factorization.

321031022321011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167815486660.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 321031022321011 its reverse (110123220130123), we get a palindrome (431154242451134).

The spelling of 321031022321011 in words is "three hundred twenty-one trillion, thirty-one billion, twenty-two million, three hundred twenty-one thousand, eleven".