206310133 has 4 divisors (see below), whose sum is σ = 208313248. Its totient is φ = 204307020.

The previous prime is 206310127. The next prime is 206310157. The reversal of 206310133 is 331013602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 206310133 - 2⁵ = 206310101 is a prime.

It is the 14364-th Hogben number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 206310133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206310193) by changing a digit.

It is a nontrivial repunit in base 14363.

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, 1001403 + ... + 1001608.

It is an arithmetic number, because the mean of its divisors is an integer number (52078312).

Almost surely, 2^206310133 is an apocalyptic number.

It is an amenable number.

206310133 is a deficient number, since it is larger than the sum of its proper divisors (2003115).

206310133 is a wasteful number, since it uses less digits than its factorization.

206310133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003114.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 206310133 is about 14363.5000261078. The cubic root of 206310133 is about 590.8902895384.

Adding to 206310133 its reverse (331013602), we get a palindrome (537323735).

The spelling of 206310133 in words is "two hundred six million, three hundred ten thousand, one hundred thirty-three".