304243009901 has 2 divisors, whose sum is σ = 304243009902. Its totient is φ = 304243009900.

The previous prime is 304243009853. The next prime is 304243010039. The reversal of 304243009901 is 109900342403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240074520676 + 64168489225 = 489974^2 + 253315^2 .

It is an emirp because it is prime and its reverse (109900342403) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-304243009901 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304243039901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152121504950 + 152121504951.

It is an arithmetic number, because the mean of its divisors is an integer number (152121504951).

Almost surely, 2^304243009901 is an apocalyptic number.

It is an amenable number.

304243009901 is a deficient number, since it is larger than the sum of its proper divisors (1).

304243009901 is an equidigital number, since it uses as much as digits as its factorization.

304243009901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 304243009901 in words is "three hundred four billion, two hundred forty-three million, nine thousand, nine hundred one".