133102232321 has 4 divisors (see below), whose sum is σ = 137691964500. Its totient is φ = 128512500144.

The previous prime is 133102232261. The next prime is 133102232353. The reversal of 133102232321 is 123232201331.

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 55007135296 + 78095097025 = 234536^2 + 279455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133102232321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133102232621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2294866046 + ... + 2294866103.

It is an arithmetic number, because the mean of its divisors is an integer number (34422991125).

Almost surely, 2^133102232321 is an apocalyptic number.

It is an amenable number.

133102232321 is a deficient number, since it is larger than the sum of its proper divisors (4589732179).

133102232321 is an equidigital number, since it uses as much as digits as its factorization.

133102232321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4589732178.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 133102232321 its reverse (123232201331), we get a palindrome (256334433652).

The spelling of 133102232321 in words is "one hundred thirty-three billion, one hundred two million, two hundred thirty-two thousand, three hundred twenty-one".