320330234051 has 4 divisors (see below), whose sum is σ = 320693009832. Its totient is φ = 319967458272.

The previous prime is 320330234039. The next prime is 320330234053. The reversal of 320330234051 is 150432033023.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320330234051 is a prime.

It is a super-2 number, since 2×320330234051² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320330234051.

It is not an unprimeable number, because it can be changed into a prime (320330234053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181386566 + ... + 181388331.

It is an arithmetic number, because the mean of its divisors is an integer number (80173252458).

Almost surely, 2^320330234051 is an apocalyptic number.

320330234051 is a deficient number, since it is larger than the sum of its proper divisors (362775781).

320330234051 is an equidigital number, since it uses as much as digits as its factorization.

320330234051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362775780.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 320330234051 its reverse (150432033023), we get a palindrome (470762267074).

The spelling of 320330234051 in words is "three hundred twenty billion, three hundred thirty million, two hundred thirty-four thousand, fifty-one".