133313321233 has 8 divisors (see below), whose sum is σ = 137986960680. Its totient is φ = 128644790400.

The previous prime is 133313321231. The next prime is 133313321279. The reversal of 133313321233 is 332123313331.

It can be written as a sum of positive squares in 4 ways, for example, as 28989489169 + 104323832064 = 170263^2 + 322992^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133313321233 - 2¹ = 133313321231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133313321231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1224010 + ... + 1328467.

It is an arithmetic number, because the mean of its divisors is an integer number (17248370085).

Almost surely, 2^133313321233 is an apocalyptic number.

It is an amenable number.

133313321233 is a deficient number, since it is larger than the sum of its proper divisors (4673639447).

133313321233 is a wasteful number, since it uses less digits than its factorization.

133313321233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554307.

The product of its digits is 8748, while the sum is 28.

Adding to 133313321233 its reverse (332123313331), we get a palindrome (465436634564).

The spelling of 133313321233 in words is "one hundred thirty-three billion, three hundred thirteen million, three hundred twenty-one thousand, two hundred thirty-three".