3120002000321 has 2 divisors, whose sum is σ = 3120002000322. Its totient is φ = 3120002000320.

The previous prime is 3120002000303. The next prime is 3120002000333. The reversal of 3120002000321 is 1230002000213.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1619928199696 + 1500073800625 = 1272764^2 + 1224775^2 .

It is a cyclic number.

It is not a de Polignac number, because 3120002000321 - 2¹⁴ = 3120001983937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3120002000296 and 3120002000305.

It is not a weakly prime, because it can be changed into another prime (3120002000221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560001000160 + 1560001000161.

It is an arithmetic number, because the mean of its divisors is an integer number (1560001000161).

Almost surely, 2^{3120002000321} is an apocalyptic number.

It is an amenable number.

3120002000321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120002000321 is an equidigital number, since it uses as much as digits as its factorization.

3120002000321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 3120002000321 its reverse (1230002000213), we get a palindrome (4350004000534).

The spelling of 3120002000321 in words is "three trillion, one hundred twenty billion, two million, three hundred twenty-one", and thus it is an aban number.