320321332011 has 8 divisors (see below), whose sum is σ = 428046325200. Its totient is φ = 213071946752.

The previous prime is 320321331919. The next prime is 320321332057. The reversal of 320321332011 is 110233123023.

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 320321332011 - 2²³ = 320312943403 is a prime.

It is a super-4 number, since 4×320321332011⁴ (a number of 47 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (320321333011) 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, 118900410 + ... + 118903103.

It is an arithmetic number, because the mean of its divisors is an integer number (53505790650).

Almost surely, 2^320321332011 is an apocalyptic number.

320321332011 is a deficient number, since it is larger than the sum of its proper divisors (107724993189).

320321332011 is a wasteful number, since it uses less digits than its factorization.

320321332011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237803965.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 320321332011 its reverse (110233123023), we get a palindrome (430554455034).

The spelling of 320321332011 in words is "three hundred twenty billion, three hundred twenty-one million, three hundred thirty-two thousand, eleven".