304345130021 has 8 divisors (see below), whose sum is σ = 304870672320. Its totient is φ = 303819693408.

The previous prime is 304345129997. The next prime is 304345130027. The reversal of 304345130021 is 120031543403.

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 304345130021 - 2¹⁴ = 304345113637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304345130027) 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, 7617920 + ... + 7657766.

It is an arithmetic number, because the mean of its divisors is an integer number (38108834040).

Almost surely, 2^304345130021 is an apocalyptic number.

It is an amenable number.

304345130021 is a deficient number, since it is larger than the sum of its proper divisors (525542299).

304345130021 is a wasteful number, since it uses less digits than its factorization.

304345130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52843.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 304345130021 its reverse (120031543403), we get a palindrome (424376673424).

The spelling of 304345130021 in words is "three hundred four billion, three hundred forty-five million, one hundred thirty thousand, twenty-one".