133222320231013 has 4 divisors (see below), whose sum is σ = 143470191018028. Its totient is φ = 122974449444000.

The previous prime is 133222320230941. The next prime is 133222320231017. The reversal of 133222320231013 is 310132023222331.

It is a happy number.

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 66186148727169 + 67036171503844 = 8135487^2 + 8187562^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133222320231013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133222320231017) 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, 5123935393488 + ... + 5123935393513.

It is an arithmetic number, because the mean of its divisors is an integer number (35867547754507).

Almost surely, 2^{133222320231013} is an apocalyptic number.

133222320231013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133222320231013 is a deficient number, since it is larger than the sum of its proper divisors (10247870787015).

133222320231013 is a wasteful number, since it uses less digits than its factorization.

133222320231013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10247870787014.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 133222320231013 its reverse (310132023222331), we get a palindrome (443354343453344).

The spelling of 133222320231013 in words is "one hundred thirty-three trillion, two hundred twenty-two billion, three hundred twenty million, two hundred thirty-one thousand, thirteen".