30021010331321 has 2 divisors, whose sum is σ = 30021010331322. Its totient is φ = 30021010331320.

The previous prime is 30021010331303. The next prime is 30021010331363. The reversal of 30021010331321 is 12313301012003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27089162325625 + 2931848005696 = 5204725^2 + 1712264^2 .

It is a cyclic number.

It is not a de Polignac number, because 30021010331321 - 2¹⁸ = 30021010069177 is a prime.

It is a super-2 number, since 2×30021010331321² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30021010331293 and 30021010331302.

It is not a weakly prime, because it can be changed into another prime (30021018331321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010505165660 + 15010505165661.

It is an arithmetic number, because the mean of its divisors is an integer number (15010505165661).

Almost surely, 2^{30021010331321} is an apocalyptic number.

It is an amenable number.

30021010331321 is a deficient number, since it is larger than the sum of its proper divisors (1).

30021010331321 is an equidigital number, since it uses as much as digits as its factorization.

30021010331321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30021010331321 its reverse (12313301012003), we get a palindrome (42334311343324).

The spelling of 30021010331321 in words is "thirty trillion, twenty-one billion, ten million, three hundred thirty-one thousand, three hundred twenty-one".