133011311312 has 40 divisors (see below), whose sum is σ = 281879473440. Its totient is φ = 60300132480.

The previous prime is 133011311309. The next prime is 133011311317. The reversal of 133011311312 is 213113110331.

It is a super-2 number, since 2×133011311312² (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 (133011311317) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 930323 + ... + 1063730.

It is an arithmetic number, because the mean of its divisors is an integer number (7046986836).

Almost surely, 2^133011311312 is an apocalyptic number.

It is an amenable number.

133011311312 is an abundant number, since it is smaller than the sum of its proper divisors (148868162128).

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

133011311312 is a wasteful number, since it uses less digits than its factorization.

133011311312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994451 (or 1994445 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 133011311312 its reverse (213113110331), we get a palindrome (346124421643).

The spelling of 133011311312 in words is "one hundred thirty-three billion, eleven million, three hundred eleven thousand, three hundred twelve".