103198243 has 2 divisors, whose sum is σ = 103198244. Its totient is φ = 103198242.

The previous prime is 103198241. The next prime is 103198273. The reversal of 103198243 is 342891301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103198243 - 2¹ = 103198241 is a prime.

Together with 103198241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (103198241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51599121 + 51599122.

It is an arithmetic number, because the mean of its divisors is an integer number (51599122).

Almost surely, 2^103198243 is an apocalyptic number.

103198243 is a deficient number, since it is larger than the sum of its proper divisors (1).

103198243 is an equidigital number, since it uses as much as digits as its factorization.

103198243 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 31.

The square root of 103198243 is about 10158.6536017329. The cubic root of 103198243 is about 469.0553578257.

The spelling of 103198243 in words is "one hundred three million, one hundred ninety-eight thousand, two hundred forty-three".