100330133 has 4 divisors (see below), whose sum is σ = 100351020. Its totient is φ = 100309248.

The previous prime is 100330129. The next prime is 100330147. The reversal of 100330133 is 331033001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331033001 = 13 ⋅25464077.

It can be written as a sum of positive squares in 2 ways, for example, as 21883684 + 78446449 = 4678^2 + 8857^2 .

It is a cyclic number.

It is not a de Polignac number, because 100330133 - 2² = 100330129 is a prime.

It is a super-2 number, since 2×100330133² = 20132271175595378, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100330123) 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 in 3 ways as a sum of consecutive naturals, for example, 791 + ... + 14187.

It is an arithmetic number, because the mean of its divisors is an integer number (25087755).

Almost surely, 2^100330133 is an apocalyptic number.

It is an amenable number.

100330133 is a deficient number, since it is larger than the sum of its proper divisors (20887).

100330133 is an equidigital number, since it uses as much as digits as its factorization.

100330133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20886.

The product of its (nonzero) digits is 81, while the sum is 14.

The square root of 100330133 is about 10016.4930489668. The cubic root of 100330133 is about 464.6691028537.

Adding to 100330133 its reverse (331033001), we get a palindrome (431363134).

The spelling of 100330133 in words is "one hundred million, three hundred thirty thousand, one hundred thirty-three".