133311232133 has 4 divisors (see below), whose sum is σ = 133334218668. Its totient is φ = 133288245600.

The previous prime is 133311232123. The next prime is 133311232169. The reversal of 133311232133 is 331232113331.

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

It can be written as a sum of positive squares in 2 ways, for example, as 123747761284 + 9563470849 = 351778^2 + 97793^2 .

It is a cyclic number.

It is not a de Polignac number, because 133311232133 - 2⁶ = 133311232069 is a prime.

It is a super-2 number, since 2×133311232133² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133311232123) 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, 11484566 + ... + 11496167.

It is an arithmetic number, because the mean of its divisors is an integer number (33333554667).

Almost surely, 2^133311232133 is an apocalyptic number.

It is an amenable number.

133311232133 is a deficient number, since it is larger than the sum of its proper divisors (22986535).

133311232133 is an equidigital number, since it uses as much as digits as its factorization.

133311232133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22986534.

The product of its digits is 2916, while the sum is 26.

Adding to 133311232133 its reverse (331232113331), we get a palindrome (464543345464).

The spelling of 133311232133 in words is "one hundred thirty-three billion, three hundred eleven million, two hundred thirty-two thousand, one hundred thirty-three".