210030133 has 4 divisors (see below), whose sum is σ = 210178540. Its totient is φ = 209881728.

The previous prime is 210030113. The next prime is 210030211. The reversal of 210030133 is 331030012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75307684 + 134722449 = 8678^2 + 11607^2 .

It is a cyclic number.

It is not a de Polignac number, because 210030133 - 2⁵ = 210030101 is a prime.

It is a super-2 number, since 2×210030133² = 88225313535995378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210030113) 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 3 ways as a sum of consecutive naturals, for example, 72060 + ... + 74917.

It is an arithmetic number, because the mean of its divisors is an integer number (52544635).

Almost surely, 2^210030133 is an apocalyptic number.

It is an amenable number.

210030133 is a deficient number, since it is larger than the sum of its proper divisors (148407).

210030133 is a wasteful number, since it uses less digits than its factorization.

210030133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148406.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 210030133 is about 14492.4163961708. The cubic root of 210030133 is about 594.4206237897.

Adding to 210030133 its reverse (331030012), we get a palindrome (541060145).

The spelling of 210030133 in words is "two hundred ten million, thirty thousand, one hundred thirty-three".