304302140442421 has 32 divisors (see below), whose sum is σ = 334544169738240. Its totient is φ = 274499306923200.

The previous prime is 304302140442413. The next prime is 304302140442427. The reversal of 304302140442421 is 124244041203403.

It is a cyclic number.

It is not a de Polignac number, because 304302140442421 - 2³ = 304302140442413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304302140442427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1031360700 + ... + 1031655706.

It is an arithmetic number, because the mean of its divisors is an integer number (10454505304320).

Almost surely, 2^{304302140442421} is an apocalyptic number.

It is an amenable number.

304302140442421 is a deficient number, since it is larger than the sum of its proper divisors (30242029295819).

304302140442421 is a wasteful number, since it uses less digits than its factorization.

304302140442421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296625.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 304302140442421 its reverse (124244041203403), we get a palindrome (428546181645824).

The spelling of 304302140442421 in words is "three hundred four trillion, three hundred two billion, one hundred forty million, four hundred forty-two thousand, four hundred twenty-one".