133313033 has 4 divisors (see below), whose sum is σ = 152357760. Its totient is φ = 114268308.

The previous prime is 133312957. The next prime is 133313057. The reversal of 133313033 is 330313331.

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, and also an emirpimes, since its reverse is a distinct semiprime: 330313331 = 53 ⋅6232327.

It is not a de Polignac number, because 133313033 - 2¹² = 133308937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 133312996 and 133313014.

It is not an unprimeable number, because it can be changed into a prime (133313533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9522353 + ... + 9522366.

It is an arithmetic number, because the mean of its divisors is an integer number (38089440).

Almost surely, 2^133313033 is an apocalyptic number.

It is an amenable number.

133313033 is a deficient number, since it is larger than the sum of its proper divisors (19044727).

133313033 is an equidigital number, since it uses as much as digits as its factorization.

133313033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19044726.

The product of its (nonzero) digits is 729, while the sum is 20.

The square root of 133313033 is about 11546.1263201127. The cubic root of 133313033 is about 510.8470263849.

Adding to 133313033 its reverse (330313331), we get a palindrome (463626364).

The spelling of 133313033 in words is "one hundred thirty-three million, three hundred thirteen thousand, thirty-three".