304103002421 has 4 divisors (see below), whose sum is σ = 311175165312. Its totient is φ = 297030839532.

The previous prime is 304103002397. The next prime is 304103002429. The reversal of 304103002421 is 124200301403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 124200301403 = 22397 ⋅5545399.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-304103002421 is a prime.

It is a super-2 number, since 2×304103002421² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 304103002393 and 304103002402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304103002429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3536081381 + ... + 3536081466.

It is an arithmetic number, because the mean of its divisors is an integer number (77793791328).

Almost surely, 2^304103002421 is an apocalyptic number.

It is an amenable number.

304103002421 is a deficient number, since it is larger than the sum of its proper divisors (7072162891).

304103002421 is an equidigital number, since it uses as much as digits as its factorization.

304103002421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7072162890.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 304103002421 its reverse (124200301403), we get a palindrome (428303303824).

The spelling of 304103002421 in words is "three hundred four billion, one hundred three million, two thousand, four hundred twenty-one".