100433213 has 2 divisors, whose sum is σ = 100433214. Its totient is φ = 100433212.

The previous prime is 100433171. The next prime is 100433233. The reversal of 100433213 is 312334001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79245604 + 21187609 = 8902^2 + 4603^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100433213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100433191 and 100433200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100433233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50216606 + 50216607.

It is an arithmetic number, because the mean of its divisors is an integer number (50216607).

Almost surely, 2^100433213 is an apocalyptic number.

It is an amenable number.

100433213 is a deficient number, since it is larger than the sum of its proper divisors (1).

100433213 is an equidigital number, since it uses as much as digits as its factorization.

100433213 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 100433213 is about 10021.6372414890. The cubic root of 100433213 is about 464.8281833327.

Adding to 100433213 its reverse (312334001), we get a palindrome (412767214).

The spelling of 100433213 in words is "one hundred million, four hundred thirty-three thousand, two hundred thirteen".