30221323329973 has 2 divisors, whose sum is σ = 30221323329974. Its totient is φ = 30221323329972.

The previous prime is 30221323329961. The next prime is 30221323330007. The reversal of 30221323329973 is 37992332312203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21143286901489 + 9078036428484 = 4598183^2 + 3012978^2 .

It is a cyclic number.

It is not a de Polignac number, because 30221323329973 - 2⁵ = 30221323329941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30221323329773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110661664986 + 15110661664987.

It is an arithmetic number, because the mean of its divisors is an integer number (15110661664987).

Almost surely, 2^{30221323329973} is an apocalyptic number.

It is an amenable number.

30221323329973 is a deficient number, since it is larger than the sum of its proper divisors (1).

30221323329973 is an equidigital number, since it uses as much as digits as its factorization.

30221323329973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2204496, while the sum is 49.

The spelling of 30221323329973 in words is "thirty trillion, two hundred twenty-one billion, three hundred twenty-three million, three hundred twenty-nine thousand, nine hundred seventy-three".