100434213 has 12 divisors (see below), whose sum is σ = 158260128. Its totient is φ = 60869160.

The previous prime is 100434211. The next prime is 100434223. The reversal of 100434213 is 312434001.

It is not a de Polignac number, because 100434213 - 2¹ = 100434211 is a prime.

It is a super-2 number, since 2×100434213² = 20174062281858738, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100434211) 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 in 11 ways as a sum of consecutive naturals, for example, 507145 + ... + 507342.

It is an arithmetic number, because the mean of its divisors is an integer number (13188344).

Almost surely, 2^100434213 is an apocalyptic number.

It is an amenable number.

100434213 is a deficient number, since it is larger than the sum of its proper divisors (57825915).

100434213 is a wasteful number, since it uses less digits than its factorization.

100434213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014504 (or 1014501 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 100434213 is about 10021.6871334122. The cubic root of 100434213 is about 464.8297260715.

Adding to 100434213 its reverse (312434001), we get a palindrome (412868214).

The spelling of 100434213 in words is "one hundred million, four hundred thirty-four thousand, two hundred thirteen".