133031210 has 16 divisors (see below), whose sum is σ = 257876136. Its totient is φ = 49119168.

The previous prime is 133031203. The next prime is 133031221. The reversal of 133031210 is 12130331.

133031210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 111788329 + 21242881 = 10573^2 + 4609^2 .

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 511529 + ... + 511788.

Almost surely, 2^133031210 is an apocalyptic number.

133031210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133031210 is a deficient number, since it is larger than the sum of its proper divisors (124844926).

133031210 is a wasteful number, since it uses less digits than its factorization.

133031210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023337.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 133031210 is about 11533.9156404059. The cubic root of 133031210 is about 510.4867965132.

Adding to 133031210 its reverse (12130331), we get a palindrome (145161541).

The spelling of 133031210 in words is "one hundred thirty-three million, thirty-one thousand, two hundred ten".