30321304121 has 4 divisors (see below), whose sum is σ = 30322069632. Its totient is φ = 30320538612.

The previous prime is 30321304051. The next prime is 30321304171. The reversal of 30321304121 is 12140312303.

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 30321304121 - 2³⁴ = 13141434937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30321304093 and 30321304102.

It is not an unprimeable number, because it can be changed into a prime (30321304171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319901 + ... + 403706.

It is an arithmetic number, because the mean of its divisors is an integer number (7580517408).

Almost surely, 2^30321304121 is an apocalyptic number.

It is an amenable number.

30321304121 is a deficient number, since it is larger than the sum of its proper divisors (765511).

30321304121 is an equidigital number, since it uses as much as digits as its factorization.

30321304121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765510.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30321304121 its reverse (12140312303), we get a palindrome (42461616424).

The spelling of 30321304121 in words is "thirty billion, three hundred twenty-one million, three hundred four thousand, one hundred twenty-one".