133033203421321 has 12 divisors (see below), whose sum is σ = 154971179409540. Its totient is φ = 113867630059680.

The previous prime is 133033203421319. The next prime is 133033203421361. The reversal of 133033203421321 is 123124302330331.

It can be written as a sum of positive squares in 2 ways, for example, as 4952738975625 + 128080464445696 = 2225475^2 + 11317264^2 .

It is not a de Polignac number, because 133033203421321 - 2¹ = 133033203421319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133033203421361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1914607950 + ... + 1914677431.

It is an arithmetic number, because the mean of its divisors is an integer number (12914264950795).

Almost surely, 2^{133033203421321} is an apocalyptic number.

It is an amenable number.

133033203421321 is a deficient number, since it is larger than the sum of its proper divisors (21937975988219).

133033203421321 is an equidigital number, since it uses as much as digits as its factorization.

133033203421321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3829286104 (or 3829286097 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 133033203421321 its reverse (123124302330331), we get a palindrome (256157505751652).

The spelling of 133033203421321 in words is "one hundred thirty-three trillion, thirty-three billion, two hundred three million, four hundred twenty-one thousand, three hundred twenty-one".