133031525224 has 16 divisors (see below), whose sum is σ = 268621349220. Its totient is φ = 61399165440.

The previous prime is 133031525189. The next prime is 133031525267. The reversal of 133031525224 is 422525130331.

It can be written as a sum of positive squares in 2 ways, for example, as 132992961124 + 38564100 = 364682^2 + 6210^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639574537 + ... + 639574744.

Almost surely, 2^133031525224 is an apocalyptic number.

It is an amenable number.

133031525224 is an abundant number, since it is smaller than the sum of its proper divisors (135589823996).

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

133031525224 is a wasteful number, since it uses less digits than its factorization.

133031525224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279149300 (or 1279149296 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 133031525224 its reverse (422525130331), we get a palindrome (555556655555).

The spelling of 133031525224 in words is "one hundred thirty-three billion, thirty-one million, five hundred twenty-five thousand, two hundred twenty-four".