320311101011 has 8 divisors (see below), whose sum is σ = 349861165248. Its totient is φ = 290832849000.

The previous prime is 320311101001. The next prime is 320311101059. The reversal of 320311101011 is 110101113023.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320311101011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320311101001) 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, 17943725 + ... + 17961566.

It is an arithmetic number, because the mean of its divisors is an integer number (43732645656).

Almost surely, 2^320311101011 is an apocalyptic number.

320311101011 is a deficient number, since it is larger than the sum of its proper divisors (29550064237).

320311101011 is a wasteful number, since it uses less digits than its factorization.

320311101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35906113.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 320311101011 its reverse (110101113023), we get a palindrome (430412214034).

The spelling of 320311101011 in words is "three hundred twenty billion, three hundred eleven million, one hundred one thousand, eleven".