133223102031011 has 4 divisors (see below), whose sum is σ = 139015410814992. Its totient is φ = 127430793247032.

The previous prime is 133223102031007. The next prime is 133223102031053. The reversal of 133223102031011 is 110130201322331.

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 133223102031011 - 2² = 133223102031007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 5792308783957 = 133223102031011 / (1 + 3 + 3 + 2 + 2 + 3 + 1 + 0 + 2 + 0 + 3 + 1 + 0 + 1 + 1).

It is not an unprimeable number, because it can be changed into a prime (133223102031091) 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, 2896154391956 + ... + 2896154392001.

It is an arithmetic number, because the mean of its divisors is an integer number (34753852703748).

Almost surely, 2^{133223102031011} is an apocalyptic number.

133223102031011 is a deficient number, since it is larger than the sum of its proper divisors (5792308783981).

133223102031011 is an equidigital number, since it uses as much as digits as its factorization.

133223102031011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5792308783980.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 133223102031011 its reverse (110130201322331), we get a palindrome (243353303353342).

The spelling of 133223102031011 in words is "one hundred thirty-three trillion, two hundred twenty-three billion, one hundred two million, thirty-one thousand, eleven".