320330230144 has 16 divisors (see below), whose sum is σ = 638157880620. Its totient is φ = 160165115008.

The previous prime is 320330230123. The next prime is 320330230169. The reversal of 320330230144 is 441032033023.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×320330230144² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251289834 + ... + 1251290089.

Almost surely, 2^320330230144 is an apocalyptic number.

It is an amenable number.

320330230144 is a deficient number, since it is larger than the sum of its proper divisors (317827650476).

320330230144 is an equidigital number, since it uses as much as digits as its factorization.

320330230144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502579937 (or 2502579925 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 320330230144 its reverse (441032033023), we get a palindrome (761362263167).

The spelling of 320330230144 in words is "three hundred twenty billion, three hundred thirty million, two hundred thirty thousand, one hundred forty-four".