304235134021 has 8 divisors (see below), whose sum is σ = 374443241984. Its totient is φ = 240713512560.

The previous prime is 304235134019. The next prime is 304235134117. The reversal of 304235134021 is 120431532403.

It is a happy number.

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 304235134021 - 2¹ = 304235134019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304235137021) 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, 1671621525 + ... + 1671621706.

It is an arithmetic number, because the mean of its divisors is an integer number (46805405248).

Almost surely, 2^304235134021 is an apocalyptic number.

It is an amenable number.

304235134021 is a deficient number, since it is larger than the sum of its proper divisors (70208107963).

304235134021 is a wasteful number, since it uses less digits than its factorization.

304235134021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343243251.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 304235134021 its reverse (120431532403), we get a palindrome (424666666424).

The spelling of 304235134021 in words is "three hundred four billion, two hundred thirty-five million, one hundred thirty-four thousand, twenty-one".