320102123310331 has 4 divisors (see below), whose sum is σ = 321710676694000. Its totient is φ = 318493569926664.

The previous prime is 320102123310239. The next prime is 320102123310341. The reversal of 320102123310331 is 133013321201023.

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

It is a cyclic number.

It is not a de Polignac number, because 320102123310331 - 2¹³ = 320102123302139 is a prime.

It is a super-2 number, since 2×320102123310331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320102123310296 and 320102123310305.

It is not an unprimeable number, because it can be changed into a prime (320102123310341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804276691536 + ... + 804276691933.

It is an arithmetic number, because the mean of its divisors is an integer number (80427669173500).

Almost surely, 2^{320102123310331} is an apocalyptic number.

320102123310331 is a deficient number, since it is larger than the sum of its proper divisors (1608553383669).

320102123310331 is a wasteful number, since it uses less digits than its factorization.

320102123310331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608553383668.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 320102123310331 its reverse (133013321201023), we get a palindrome (453115444511354).

The spelling of 320102123310331 in words is "three hundred twenty trillion, one hundred two billion, one hundred twenty-three million, three hundred ten thousand, three hundred thirty-one".