321300021321 has 24 divisors (see below), whose sum is σ = 464571475680. Its totient is φ = 213982560000.

The previous prime is 321300021313. The next prime is 321300021331. The reversal of 321300021321 is 123120003123.

321300021321 is a `hidden beast` number, since 3 + 21 + 300 + 0 + 21 + 321 = 666.

It is not a de Polignac number, because 321300021321 - 2³ = 321300021313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321300021294 and 321300021303.

It is not an unprimeable number, because it can be changed into a prime (321300021331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48030745 + ... + 48037433.

It is an arithmetic number, because the mean of its divisors is an integer number (19357144820).

Almost surely, 2^321300021321 is an apocalyptic number.

It is an amenable number.

321300021321 is a deficient number, since it is larger than the sum of its proper divisors (143271454359).

321300021321 is a wasteful number, since it uses less digits than its factorization.

321300021321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11317 (or 11314 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 321300021321 its reverse (123120003123), we get a palindrome (444420024444).

The spelling of 321300021321 in words is "three hundred twenty-one billion, three hundred million, twenty-one thousand, three hundred twenty-one".