100321343 has 2 divisors, whose sum is σ = 100321344. Its totient is φ = 100321342.

The previous prime is 100321339. The next prime is 100321391. The reversal of 100321343 is 343123001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100321343 - 2² = 100321339 is a prime.

It is a super-2 number, since 2×100321343² = 20128743722647298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100321303) 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, 50160671 + 50160672.

It is an arithmetic number, because the mean of its divisors is an integer number (50160672).

Almost surely, 2^100321343 is an apocalyptic number.

100321343 is a deficient number, since it is larger than the sum of its proper divisors (1).

100321343 is an equidigital number, since it uses as much as digits as its factorization.

100321343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 100321343 is about 10016.0542630319. The cubic root of 100321343 is about 464.6555324517.

Adding to 100321343 its reverse (343123001), we get a palindrome (443444344).

The spelling of 100321343 in words is "one hundred million, three hundred twenty-one thousand, three hundred forty-three".