33311231012133 has 12 divisors (see below), whose sum is σ = 48287454685548. Its totient is φ = 22128457135680.

The previous prime is 33311231012099. The next prime is 33311231012161. The reversal of 33311231012133 is 33121013211333.

33311231012133 is a `hidden beast` number, since 3 + 3 + 311 + 2 + 310 + 1 + 2 + 1 + 33 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13043380079844 + 20267850932289 = 3611562^2 + 4501983^2 .

It is not a de Polignac number, because 33311231012133 - 2¹² = 33311231008037 is a prime.

It is a super-2 number, since 2×33311231012133² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33311231012097 and 33311231012106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33311231012333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6585847810 + ... + 6585852867.

It is an arithmetic number, because the mean of its divisors is an integer number (4023954557129).

Almost surely, 2^{33311231012133} is an apocalyptic number.

It is an amenable number.

33311231012133 is a deficient number, since it is larger than the sum of its proper divisors (14976223673415).

33311231012133 is a wasteful number, since it uses less digits than its factorization.

33311231012133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13171700964 (or 13171700961 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 33311231012133 its reverse (33121013211333), we get a palindrome (66432244223466).

The spelling of 33311231012133 in words is "thirty-three trillion, three hundred eleven billion, two hundred thirty-one million, twelve thousand, one hundred thirty-three".