304212101 has 4 divisors (see below), whose sum is σ = 307224204. Its totient is φ = 301200000.

The previous prime is 304212091. The next prime is 304212107. The reversal of 304212101 is 101212403.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 279759076 + 24453025 = 16726^2 + 4945^2 .

It is a cyclic number.

It is not a de Polignac number, because 304212101 - 2²² = 300017797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304212107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1505900 + ... + 1506101.

It is an arithmetic number, because the mean of its divisors is an integer number (76806051).

Almost surely, 2^304212101 is an apocalyptic number.

It is an amenable number.

304212101 is a deficient number, since it is larger than the sum of its proper divisors (3012103).

304212101 is a wasteful number, since it uses less digits than its factorization.

304212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012102.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 304212101 is about 17441.6771269279. The cubic root of 304212101 is about 672.5514218360.

Adding to 304212101 its reverse (101212403), we get a palindrome (405424504).

The spelling of 304212101 in words is "three hundred four million, two hundred twelve thousand, one hundred one".