133033311312 has 80 divisors (see below), whose sum is σ = 374959542720. Its totient is φ = 40308019200.

The previous prime is 133033311293. The next prime is 133033311343. The reversal of 133033311312 is 213113330331.

It is a super-2 number, since 2×133033311312² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7563264 + ... + 7580832.

It is an arithmetic number, because the mean of its divisors is an integer number (4686994284).

Almost surely, 2^133033311312 is an apocalyptic number.

133033311312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133033311312 is an abundant number, since it is smaller than the sum of its proper divisors (241926231408).

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

133033311312 is a wasteful number, since it uses less digits than its factorization.

133033311312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31932 (or 31926 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 133033311312 its reverse (213113330331), we get a palindrome (346146641643).

The spelling of 133033311312 in words is "one hundred thirty-three billion, thirty-three million, three hundred eleven thousand, three hundred twelve".