320312311101 has 24 divisors (see below), whose sum is σ = 490278821760. Its totient is φ = 200820518016.

The previous prime is 320312311087. The next prime is 320312311159. The reversal of 320312311101 is 101113213023.

320312311101 is a `hidden beast` number, since 32 + 0 + 312 + 311 + 10 + 1 = 666.

It is not a de Polignac number, because 320312311101 - 2⁵ = 320312311069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320312311001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 638805 + ... + 1024058.

It is an arithmetic number, because the mean of its divisors is an integer number (20428284240).

Almost surely, 2^320312311101 is an apocalyptic number.

It is an amenable number.

320312311101 is a deficient number, since it is larger than the sum of its proper divisors (169966510659).

320312311101 is a wasteful number, since it uses less digits than its factorization.

320312311101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664145 (or 1664142 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 320312311101 its reverse (101113213023), we get a palindrome (421425524124).

The spelling of 320312311101 in words is "three hundred twenty billion, three hundred twelve million, three hundred eleven thousand, one hundred one".