133431324320 has 96 divisors (see below), whose sum is σ = 379225929600. Its totient is φ = 43340092416.

The previous prime is 133431324319. The next prime is 133431324329. The reversal of 133431324320 is 23423134331.

It is not an unprimeable number, because it can be changed into a prime (133431324329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3113855 + ... + 3156414.

It is an arithmetic number, because the mean of its divisors is an integer number (3950270100).

Almost surely, 2^133431324320 is an apocalyptic number.

133431324320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133431324320 is an abundant number, since it is smaller than the sum of its proper divisors (245794605280).

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

133431324320 is a wasteful number, since it uses less digits than its factorization.

133431324320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6270310 (or 6270302 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 133431324320 its reverse (23423134331), we get a palindrome (156854458651).

The spelling of 133431324320 in words is "one hundred thirty-three billion, four hundred thirty-one million, three hundred twenty-four thousand, three hundred twenty".