100344019 has 2 divisors, whose sum is σ = 100344020. Its totient is φ = 100344018.

The previous prime is 100344017. The next prime is 100344043. The reversal of 100344019 is 910443001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100344019 - 2¹ = 100344017 is a prime.

It is a super-2 number, since 2×100344019² = 20137844298144722, which contains 22 as substring.

Together with 100344017, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100344017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50172009 + 50172010.

It is an arithmetic number, because the mean of its divisors is an integer number (50172010).

Almost surely, 2^100344019 is an apocalyptic number.

100344019 is a deficient number, since it is larger than the sum of its proper divisors (1).

100344019 is an equidigital number, since it uses as much as digits as its factorization.

100344019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 100344019 is about 10017.1861817578. The cubic root of 100344019 is about 464.6905390773.

The spelling of 100344019 in words is "one hundred million, three hundred forty-four thousand, nineteen".