133031322320 has 40 divisors (see below), whose sum is σ = 333089967336. Its totient is φ = 49119257088.

The previous prime is 133031322301. The next prime is 133031322343. The reversal of 133031322320 is 23223130331.

It can be written as a sum of positive squares in 4 ways, for example, as 3117212224 + 129914110096 = 55832^2 + 360436^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63956327 + ... + 63958406.

Almost surely, 2^133031322320 is an apocalyptic number.

133031322320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133031322320 is an abundant number, since it is smaller than the sum of its proper divisors (200058645016).

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

133031322320 is a wasteful number, since it uses less digits than its factorization.

133031322320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127914759 (or 127914753 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 133031322320 its reverse (23223130331), we get a palindrome (156254452651).

The spelling of 133031322320 in words is "one hundred thirty-three billion, thirty-one million, three hundred twenty-two thousand, three hundred twenty".