133031200 has 36 divisors (see below), whose sum is σ = 324764370. Its totient is φ = 53212160.

The previous prime is 133031191. The next prime is 133031203. The reversal of 133031200 is 2130331.

It can be written as a sum of positive squares in 3 ways, for example, as 103306896 + 29724304 = 10164^2 + 5452^2 .

It is not an unprimeable number, because it can be changed into a prime (133031203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82345 + ... + 83944.

Almost surely, 2^133031200 is an apocalyptic number.

133031200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133031200 is an abundant number, since it is smaller than the sum of its proper divisors (191733170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133031200 is a wasteful number, since it uses less digits than its factorization.

133031200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166309 (or 166296 counting only the distinct ones).

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

The square root of 133031200 is about 11533.9152069018. The cubic root of 133031200 is about 510.4867837220.

Adding to 133031200 its reverse (2130331), we get a palindrome (135161531).

The spelling of 133031200 in words is "one hundred thirty-three million, thirty-one thousand, two hundred".