304432312397 has 2 divisors, whose sum is σ = 304432312398. Its totient is φ = 304432312396.

The previous prime is 304432312369. The next prime is 304432312409. The reversal of 304432312397 is 793213234403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244371046921 + 60061265476 = 494339^2 + 245074^2 .

It is a cyclic number.

It is not a de Polignac number, because 304432312397 - 2⁶ = 304432312333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304432312307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152216156198 + 152216156199.

It is an arithmetic number, because the mean of its divisors is an integer number (152216156199).

Almost surely, 2^304432312397 is an apocalyptic number.

It is an amenable number.

304432312397 is a deficient number, since it is larger than the sum of its proper divisors (1).

304432312397 is an equidigital number, since it uses as much as digits as its factorization.

304432312397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 41.

The spelling of 304432312397 in words is "three hundred four billion, four hundred thirty-two million, three hundred twelve thousand, three hundred ninety-seven".