30080321 has 2 divisors, whose sum is σ = 30080322. Its totient is φ = 30080320.

The previous prime is 30080317. The next prime is 30080333. The reversal of 30080321 is 12308003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29376400 + 703921 = 5420^2 + 839^2 .

It is a cyclic number.

It is not a de Polignac number, because 30080321 - 2² = 30080317 is a prime.

It is a super-2 number, since 2×30080321² = 1809651422926082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30080321.

It is not a weakly prime, because it can be changed into another prime (30080311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15040160 + 15040161.

It is an arithmetic number, because the mean of its divisors is an integer number (15040161).

Almost surely, 2^30080321 is an apocalyptic number.

It is an amenable number.

30080321 is a deficient number, since it is larger than the sum of its proper divisors (1).

30080321 is an equidigital number, since it uses as much as digits as its factorization.

30080321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 30080321 is about 5484.5529444067. The cubic root of 30080321 is about 311.0003101702. Note that the first 3 decimals are identical.

Adding to 30080321 its reverse (12308003), we get a palindrome (42388324).

The spelling of 30080321 in words is "thirty million, eighty thousand, three hundred twenty-one".