304134120343 has 4 divisors (see below), whose sum is σ = 308673435640. Its totient is φ = 299594805048.

The previous prime is 304134120281. The next prime is 304134120359. The reversal of 304134120343 is 343021431403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-304134120343 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 (304134120383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2269657548 + ... + 2269657681.

It is an arithmetic number, because the mean of its divisors is an integer number (77168358910).

Almost surely, 2^304134120343 is an apocalyptic number.

304134120343 is a deficient number, since it is larger than the sum of its proper divisors (4539315297).

304134120343 is an equidigital number, since it uses as much as digits as its factorization.

304134120343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4539315296.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 304134120343 its reverse (343021431403), we get a palindrome (647155551746).

The spelling of 304134120343 in words is "three hundred four billion, one hundred thirty-four million, one hundred twenty thousand, three hundred forty-three".