133320312100 has 72 divisors (see below), whose sum is σ = 306397576800. Its totient is φ = 50178961920.

The previous prime is 133320312053. The next prime is 133320312109. The reversal of 133320312100 is 1213023331.

It is not an unprimeable number, because it can be changed into a prime (133320312109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10171351 + ... + 10184449.

It is an arithmetic number, because the mean of its divisors is an integer number (4255521900).

Almost surely, 2^133320312100 is an apocalyptic number.

133320312100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133320312100 is an abundant number, since it is smaller than the sum of its proper divisors (173077264700).

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

133320312100 is a wasteful number, since it uses less digits than its factorization.

133320312100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19117 (or 19110 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 133320312100 its reverse (1213023331), we get a palindrome (134533335431).

The spelling of 133320312100 in words is "one hundred thirty-three billion, three hundred twenty million, three hundred twelve thousand, one hundred".