133213213033 has 4 divisors (see below), whose sum is σ = 136813570180. Its totient is φ = 129612855888.

The previous prime is 133213213009. The next prime is 133213213061. The reversal of 133213213033 is 330312312331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56042039824 + 77171173209 = 236732^2 + 277797^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133213213033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133213212989 and 133213213007.

It is not an unprimeable number, because it can be changed into a prime (133213213433) 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, 1800178518 + ... + 1800178591.

It is an arithmetic number, because the mean of its divisors is an integer number (34203392545).

Almost surely, 2^133213213033 is an apocalyptic number.

It is an amenable number.

133213213033 is a deficient number, since it is larger than the sum of its proper divisors (3600357147).

133213213033 is an equidigital number, since it uses as much as digits as its factorization.

133213213033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3600357146.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 133213213033 its reverse (330312312331), we get a palindrome (463525525364).

The spelling of 133213213033 in words is "one hundred thirty-three billion, two hundred thirteen million, two hundred thirteen thousand, thirty-three".