320343144430 has 8 divisors (see below), whose sum is σ = 576617659992. Its totient is φ = 128137257768.

The previous prime is 320343144421. The next prime is 320343144437. The reversal of 320343144430 is 34441343023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 320343144392 and 320343144401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320343144437) 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, 16017157212 + ... + 16017157231.

It is an arithmetic number, because the mean of its divisors is an integer number (72077207499).

Almost surely, 2^320343144430 is an apocalyptic number.

320343144430 is a deficient number, since it is larger than the sum of its proper divisors (256274515562).

320343144430 is a wasteful number, since it uses less digits than its factorization.

320343144430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32034314450.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 320343144430 its reverse (34441343023), we get a palindrome (354784487453).

The spelling of 320343144430 in words is "three hundred twenty billion, three hundred forty-three million, one hundred forty-four thousand, four hundred thirty".