133333133311 has 4 divisors (see below), whose sum is σ = 152380723792. Its totient is φ = 114285542832.

The previous prime is 133333133309. The next prime is 133333133317. The reversal of 133333133311 is 113331333331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113331333331 = 31397 ⋅3609623.

It is a cyclic number.

It is not a de Polignac number, because 133333133311 - 2¹ = 133333133309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133333133311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133333133317) 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 3 ways as a sum of consecutive naturals, for example, 9523795230 + ... + 9523795243.

It is an arithmetic number, because the mean of its divisors is an integer number (38095180948).

Almost surely, 2^133333133311 is an apocalyptic number.

133333133311 is a deficient number, since it is larger than the sum of its proper divisors (19047590481).

133333133311 is an equidigital number, since it uses as much as digits as its factorization.

133333133311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19047590480.

The product of its digits is 6561, while the sum is 28.

Adding to 133333133311 its reverse (113331333331), we get a palindrome (246664466642).

The spelling of 133333133311 in words is "one hundred thirty-three billion, three hundred thirty-three million, one hundred thirty-three thousand, three hundred eleven".