304314202421 has 2 divisors, whose sum is σ = 304314202422. Its totient is φ = 304314202420.

The previous prime is 304314202349. The next prime is 304314202499. The reversal of 304314202421 is 124202413403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294212947396 + 10101255025 = 542414^2 + 100505^2 .

It is a cyclic number.

It is not a de Polignac number, because 304314202421 - 2¹⁰ = 304314201397 is a prime.

It is a super-2 number, since 2×304314202421² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304314202321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152157101210 + 152157101211.

It is an arithmetic number, because the mean of its divisors is an integer number (152157101211).

Almost surely, 2^304314202421 is an apocalyptic number.

It is an amenable number.

304314202421 is a deficient number, since it is larger than the sum of its proper divisors (1).

304314202421 is an equidigital number, since it uses as much as digits as its factorization.

304314202421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 304314202421 its reverse (124202413403), we get a palindrome (428516615824).

The spelling of 304314202421 in words is "three hundred four billion, three hundred fourteen million, two hundred two thousand, four hundred twenty-one".