304013342421 has 10 divisors (see below), whose sum is σ = 454143388182. Its totient is φ = 202675561560.

The previous prime is 304013342371. The next prime is 304013342441. The reversal of 304013342421 is 124243310403.

304013342421 is a `hidden beast` number, since 30 + 40 + 133 + 42 + 421 = 666.

It can be written as a sum of positive squares in only one way, i.e., 214381964196 + 89631378225 = 463014^2 + 299385^2 .

It is not a de Polignac number, because 304013342421 - 2¹⁵ = 304013309653 is a prime.

It is a super-2 number, since 2×304013342421² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304013342441) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1876625490 + ... + 1876625651.

Almost surely, 2^304013342421 is an apocalyptic number.

It is an amenable number.

304013342421 is a deficient number, since it is larger than the sum of its proper divisors (150130045761).

304013342421 is an equidigital number, since it uses as much as digits as its factorization.

304013342421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3753251153 (or 3753251144 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 304013342421 its reverse (124243310403), we get a palindrome (428256652824).

The spelling of 304013342421 in words is "three hundred four billion, thirteen million, three hundred forty-two thousand, four hundred twenty-one".