30001321 has 8 divisors (see below), whose sum is σ = 34757504. Its totient is φ = 25362720.

The previous prime is 30001303. The next prime is 30001331. The reversal of 30001321 is 12310003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30001321 - 2¹¹ = 29999273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30001298 and 30001307.

It is not an unprimeable number, because it can be changed into a prime (30001331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28845 + ... + 29866.

It is an arithmetic number, because the mean of its divisors is an integer number (4344688).

Almost surely, 2^30001321 is an apocalyptic number.

It is an amenable number.

30001321 is a deficient number, since it is larger than the sum of its proper divisors (4756183).

30001321 is an equidigital number, since it uses as much as digits as its factorization.

30001321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58791.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 30001321 is about 5477.3461639739. The cubic root of 30001321 is about 310.7278112553.

Adding to 30001321 its reverse (12310003), we get a palindrome (42311324).

The spelling of 30001321 in words is "thirty million, one thousand, three hundred twenty-one".