320102113020031 has 4 divisors (see below), whose sum is σ = 320102314362000. Its totient is φ = 320101911678064.

The previous prime is 320102113019993. The next prime is 320102113020049. The reversal of 320102113020031 is 130020311201023.

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 320102113020031 - 2¹⁷ = 320102112888959 is a prime.

It is a super-2 number, since 2×320102113020031² (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 = 320102113019990 and 320102113020008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320102113020931) 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, 98267086 + ... + 101472283.

It is an arithmetic number, because the mean of its divisors is an integer number (80025578590500).

Almost surely, 2^{320102113020031} is an apocalyptic number.

320102113020031 is a deficient number, since it is larger than the sum of its proper divisors (201341969).

320102113020031 is a wasteful number, since it uses less digits than its factorization.

320102113020031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201341968.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 320102113020031 its reverse (130020311201023), we get a palindrome (450122424221054).

The spelling of 320102113020031 in words is "three hundred twenty trillion, one hundred two billion, one hundred thirteen million, twenty thousand, thirty-one".