133313321033 has 4 divisors (see below), whose sum is σ = 136149774720. Its totient is φ = 130476867348.

The previous prime is 133313321023. The next prime is 133313321083. The reversal of 133313321033 is 330123313331.

It is a happy number.

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: 330123313331 = 7 ⋅47160473333.

It is a cyclic number.

It is not a de Polignac number, because 133313321033 - 2¹⁰ = 133313320009 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 = 133313320993 and 133313321011.

It is not an unprimeable number, because it can be changed into a prime (133313321023) 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, 1418226773 + ... + 1418226866.

It is an arithmetic number, because the mean of its divisors is an integer number (34037443680).

Almost surely, 2^133313321033 is an apocalyptic number.

It is an amenable number.

133313321033 is a deficient number, since it is larger than the sum of its proper divisors (2836453687).

133313321033 is an equidigital number, since it uses as much as digits as its factorization.

133313321033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836453686.

The product of its (nonzero) digits is 4374, while the sum is 26.

Adding to 133313321033 its reverse (330123313331), we get a palindrome (463436634364).

The spelling of 133313321033 in words is "one hundred thirty-three billion, three hundred thirteen million, three hundred twenty-one thousand, thirty-three".