133303333213 has 4 divisors (see below), whose sum is σ = 137603440768. Its totient is φ = 129003225660.

The previous prime is 133303333171. The next prime is 133303333217. The reversal of 133303333213 is 312333303331.

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-133303333213 is a prime.

It is a super-2 number, since 2×133303333213² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133303333217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2150053731 + ... + 2150053792.

It is an arithmetic number, because the mean of its divisors is an integer number (34400860192).

Almost surely, 2^133303333213 is an apocalyptic number.

It is an amenable number.

133303333213 is a deficient number, since it is larger than the sum of its proper divisors (4300107555).

133303333213 is an equidigital number, since it uses as much as digits as its factorization.

133303333213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300107554.

The product of its (nonzero) digits is 13122, while the sum is 28.

Adding to 133303333213 its reverse (312333303331), we get a palindrome (445636636544).

The spelling of 133303333213 in words is "one hundred thirty-three billion, three hundred three million, three hundred thirty-three thousand, two hundred thirteen".