30304121 has 4 divisors (see below), whose sum is σ = 31008912. Its totient is φ = 29599332.

The previous prime is 30304117. The next prime is 30304123. The reversal of 30304121 is 12140303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30304121 - 2² = 30304117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30304096 and 30304105.

It is not an unprimeable number, because it can be changed into a prime (30304123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352331 + ... + 352416.

It is an arithmetic number, because the mean of its divisors is an integer number (7752228).

Almost surely, 2^30304121 is an apocalyptic number.

It is an amenable number.

30304121 is a deficient number, since it is larger than the sum of its proper divisors (704791).

30304121 is an equidigital number, since it uses as much as digits as its factorization.

30304121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704790.

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

The square root of 30304121 is about 5504.9178922124. The cubic root of 30304121 is about 311.7696943010.

Adding to 30304121 its reverse (12140303), we get a palindrome (42444424).

The spelling of 30304121 in words is "thirty million, three hundred four thousand, one hundred twenty-one".