133311331200 has 96 divisors (see below), whose sum is σ = 439094228760. Its totient is φ = 35549685760.

The previous prime is 133311331189. The next prime is 133311331201. The reversal of 133311331200 is 2133113331.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×133311331200² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133311331201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6933699 + ... + 6952898.

Almost surely, 2^133311331200 is an apocalyptic number.

133311331200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133311331200 is an abundant number, since it is smaller than the sum of its proper divisors (305782897560).

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

133311331200 is a wasteful number, since it uses less digits than its factorization.

133311331200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13886624 (or 13886607 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 133311331200 its reverse (2133113331), we get a palindrome (135444444531).

The spelling of 133311331200 in words is "one hundred thirty-three billion, three hundred eleven million, three hundred thirty-one thousand, two hundred".