320023111330 has 16 divisors (see below), whose sum is σ = 620352492984. Its totient is φ = 118162379520.

The previous prime is 320023111241. The next prime is 320023111333. The reversal of 320023111330 is 33111320023.

It can be written as a sum of positive squares in 4 ways, for example, as 100897075449 + 219126035881 = 317643^2 + 468109^2 .

It is a junction number, because it is equal to n+sod(n) for n = 320023111298 and 320023111307.

It is not an unprimeable number, because it can be changed into a prime (320023111333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1230857991 + ... + 1230858250.

Almost surely, 2^320023111330 is an apocalyptic number.

320023111330 is a deficient number, since it is larger than the sum of its proper divisors (300329381654).

320023111330 is a wasteful number, since it uses less digits than its factorization.

320023111330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461716261.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 320023111330 its reverse (33111320023), we get a palindrome (353134431353).

The spelling of 320023111330 in words is "three hundred twenty billion, twenty-three million, one hundred eleven thousand, three hundred thirty".