321300720604 has 12 divisors (see below), whose sum is σ = 586723055184. Its totient is φ = 153665561984.

The previous prime is 321300720569. The next prime is 321300720619. The reversal of 321300720604 is 406027003123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1746199477 + ... + 1746199660.

It is an arithmetic number, because the mean of its divisors is an integer number (48893587932).

Almost surely, 2^321300720604 is an apocalyptic number.

It is an amenable number.

321300720604 is a deficient number, since it is larger than the sum of its proper divisors (265422334580).

321300720604 is a wasteful number, since it uses less digits than its factorization.

321300720604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3492399164 (or 3492399162 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 321300720604 its reverse (406027003123), we get a palindrome (727327723727).

The spelling of 321300720604 in words is "three hundred twenty-one billion, three hundred million, seven hundred twenty thousand, six hundred four".