133033023313 has 4 divisors (see below), whose sum is σ = 133035056640. Its totient is φ = 133030989988.

The previous prime is 133033023289. The next prime is 133033023323. The reversal of 133033023313 is 313320330331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133033023313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133033023323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915145 + ... + 1050502.

It is an arithmetic number, because the mean of its divisors is an integer number (33258764160).

Almost surely, 2^133033023313 is an apocalyptic number.

It is an amenable number.

133033023313 is a deficient number, since it is larger than the sum of its proper divisors (2033327).

133033023313 is an equidigital number, since it uses as much as digits as its factorization.

133033023313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033326.

The product of its (nonzero) digits is 4374, while the sum is 25.

Adding to 133033023313 its reverse (313320330331), we get a palindrome (446353353644).

The spelling of 133033023313 in words is "one hundred thirty-three billion, thirty-three million, twenty-three thousand, three hundred thirteen".