133320312106 has 4 divisors (see below), whose sum is σ = 199980468162. Its totient is φ = 66660156052.

The previous prime is 133320312053. The next prime is 133320312109. The reversal of 133320312106 is 601213023331.

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

It can be written as a sum of positive squares in only one way, i.e., 119511947025 + 13808365081 = 345705^2 + 117509^2 .

It is not an unprimeable number, because it can be changed into a prime (133320312109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33330078025 + ... + 33330078028.

Almost surely, 2^133320312106 is an apocalyptic number.

133320312106 is a deficient number, since it is larger than the sum of its proper divisors (66660156056).

133320312106 is an equidigital number, since it uses as much as digits as its factorization.

133320312106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66660156055.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 133320312106 its reverse (601213023331), we get a palindrome (734533335437).

The spelling of 133320312106 in words is "one hundred thirty-three billion, three hundred twenty million, three hundred twelve thousand, one hundred six".