304421343213 has 32 divisors (see below), whose sum is σ = 454218992640. Its totient is φ = 180065088000.

The previous prime is 304421343209. The next prime is 304421343253. The reversal of 304421343213 is 312343124403.

It is a happy number.

It is not a de Polignac number, because 304421343213 - 2² = 304421343209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304421343253) 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, 351288 + ... + 855713.

It is an arithmetic number, because the mean of its divisors is an integer number (14194343520).

Almost surely, 2^304421343213 is an apocalyptic number.

It is an amenable number.

304421343213 is a deficient number, since it is larger than the sum of its proper divisors (149797649427).

304421343213 is a wasteful number, since it uses less digits than its factorization.

304421343213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207269.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 304421343213 its reverse (312343124403), we get a palindrome (616764467616).

The spelling of 304421343213 in words is "three hundred four billion, four hundred twenty-one million, three hundred forty-three thousand, two hundred thirteen".