304303202397 has 12 divisors (see below), whose sum is σ = 440593135164. Its totient is φ = 202386925440.

The previous prime is 304303202389. The next prime is 304303202417. The reversal of 304303202397 is 793202303403.

It is a happy number.

304303202397 is a `hidden beast` number, since 30 + 4 + 30 + 3 + 202 + 397 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 135879967161 + 168423235236 = 368619^2 + 410394^2 .

It is not a de Polignac number, because 304303202397 - 2³ = 304303202389 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304303222397) 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 in 11 ways as a sum of consecutive naturals, for example, 40152348 + ... + 40159925.

It is an arithmetic number, because the mean of its divisors is an integer number (36716094597).

Almost surely, 2^304303202397 is an apocalyptic number.

It is an amenable number.

304303202397 is a deficient number, since it is larger than the sum of its proper divisors (136289932767).

304303202397 is a wasteful number, since it uses less digits than its factorization.

304303202397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80312700 (or 80312697 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 36.

The spelling of 304303202397 in words is "three hundred four billion, three hundred three million, two hundred two thousand, three hundred ninety-seven".