304312422021 has 8 divisors (see below), whose sum is σ = 411464683584. Its totient is φ = 200017554240.

The previous prime is 304312421953. The next prime is 304312422067. The reversal of 304312422021 is 120224213403.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 304312422021 - 2⁷ = 304312421893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 304312421982 and 304312422000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304312422521) 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, 714348196 + ... + 714348621.

It is an arithmetic number, because the mean of its divisors is an integer number (51433085448).

Almost surely, 2^304312422021 is an apocalyptic number.

It is an amenable number.

304312422021 is a deficient number, since it is larger than the sum of its proper divisors (107152261563).

304312422021 is a wasteful number, since it uses less digits than its factorization.

304312422021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428696891.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 304312422021 its reverse (120224213403), we get a palindrome (424536635424).

The spelling of 304312422021 in words is "three hundred four billion, three hundred twelve million, four hundred twenty-two thousand, twenty-one".