133033312013 has 4 divisors (see below), whose sum is σ = 152038070880. Its totient is φ = 114028553148.

The previous prime is 133033311947. The next prime is 133033312037. The reversal of 133033312013 is 310213330331.

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 not a de Polignac number, because 133033312013 - 2¹⁶ = 133033246477 is a prime.

It is a super-2 number, since 2×133033312013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 133033312013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133033312043) 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, 9502379423 + ... + 9502379436.

It is an arithmetic number, because the mean of its divisors is an integer number (38009517720).

Almost surely, 2^133033312013 is an apocalyptic number.

It is an amenable number.

133033312013 is a deficient number, since it is larger than the sum of its proper divisors (19004758867).

133033312013 is an equidigital number, since it uses as much as digits as its factorization.

133033312013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19004758866.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 133033312013 its reverse (310213330331), we get a palindrome (443246642344).

The spelling of 133033312013 in words is "one hundred thirty-three billion, thirty-three million, three hundred twelve thousand, thirteen".