133233131011 has 4 divisors (see below), whose sum is σ = 134552271024. Its totient is φ = 131913991000.

The previous prime is 133233130993. The next prime is 133233131063. The reversal of 133233131011 is 110131332331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133233131011 - 2²⁵ = 133199576579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133233138011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659569855 + ... + 659570056.

It is an arithmetic number, because the mean of its divisors is an integer number (33638067756).

Almost surely, 2^133233131011 is an apocalyptic number.

133233131011 is a deficient number, since it is larger than the sum of its proper divisors (1319140013).

133233131011 is a wasteful number, since it uses less digits than its factorization.

133233131011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319140012.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 133233131011 its reverse (110131332331), we get a palindrome (243364463342).

The spelling of 133233131011 in words is "one hundred thirty-three billion, two hundred thirty-three million, one hundred thirty-one thousand, eleven".