133321030320 has 80 divisors (see below), whose sum is σ = 420300241920. Its totient is φ = 34949690112.

The previous prime is 133321030319. The next prime is 133321030331. The reversal of 133321030320 is 23030123331.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 4693504 + ... + 4721823.

It is an arithmetic number, because the mean of its divisors is an integer number (5253753024).

Almost surely, 2^133321030320 is an apocalyptic number.

133321030320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133321030320 is an abundant number, since it is smaller than the sum of its proper divisors (286979211600).

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

133321030320 is a wasteful number, since it uses less digits than its factorization.

133321030320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9415402 (or 9415396 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 133321030320 its reverse (23030123331), we get a palindrome (156351153651).

The spelling of 133321030320 in words is "one hundred thirty-three billion, three hundred twenty-one million, thirty thousand, three hundred twenty".