203124349 has 2 divisors, whose sum is σ = 203124350. Its totient is φ = 203124348.

The previous prime is 203124331. The next prime is 203124353. The reversal of 203124349 is 943421302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114105124 + 89019225 = 10682^2 + 9435^2 .

It is a cyclic number.

It is not a de Polignac number, because 203124349 - 2⁷ = 203124221 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203124359) 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, 101562174 + 101562175.

It is an arithmetic number, because the mean of its divisors is an integer number (101562175).

Almost surely, 2^203124349 is an apocalyptic number.

It is an amenable number.

203124349 is a deficient number, since it is larger than the sum of its proper divisors (1).

203124349 is an equidigital number, since it uses as much as digits as its factorization.

203124349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 203124349 is about 14252.1699751301. The cubic root of 203124349 is about 587.8330439423.

The spelling of 203124349 in words is "two hundred three million, one hundred twenty-four thousand, three hundred forty-nine".