100405303 has 2 divisors, whose sum is σ = 100405304. Its totient is φ = 100405302.

The previous prime is 100405297. The next prime is 100405369. The reversal of 100405303 is 303504001.

It is a weak prime.

It is an emirp because it is prime and its reverse (303504001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100405303 - 2¹³ = 100397111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100405703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50202651 + 50202652.

It is an arithmetic number, because the mean of its divisors is an integer number (50202652).

Almost surely, 2^100405303 is an apocalyptic number.

100405303 is a deficient number, since it is larger than the sum of its proper divisors (1).

100405303 is an equidigital number, since it uses as much as digits as its factorization.

100405303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 100405303 is about 10020.2446576917. The cubic root of 100405303 is about 464.7851213610.

Adding to 100405303 its reverse (303504001), we get a palindrome (403909304).

The spelling of 100405303 in words is "one hundred million, four hundred five thousand, three hundred three".