133213232111131 has 4 divisors (see below), whose sum is σ = 133224345265032. Its totient is φ = 133202118957232.

The previous prime is 133213232111093. The next prime is 133213232111189. The reversal of 133213232111131 is 131111232312331.

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 133213232111131 - 2²¹ = 133213230013979 is a prime.

It is a super-2 number, since 2×133213232111131² (a number of 29 digits) contains 22 as substring.

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 133213232111131.

It is not an unprimeable number, because it can be changed into a prime (133213232111731) 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, 5556558970 + ... + 5556582943.

It is an arithmetic number, because the mean of its divisors is an integer number (33306086316258).

Almost surely, 2^{133213232111131} is an apocalyptic number.

133213232111131 is a deficient number, since it is larger than the sum of its proper divisors (11113153901).

133213232111131 is a wasteful number, since it uses less digits than its factorization.

133213232111131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11113153900.

The product of its digits is 1944, while the sum is 28.

Adding to 133213232111131 its reverse (131111232312331), we get a palindrome (264324464423462).

The spelling of 133213232111131 in words is "one hundred thirty-three trillion, two hundred thirteen billion, two hundred thirty-two million, one hundred eleven thousand, one hundred thirty-one".