133013323321 has 2 divisors, whose sum is σ = 133013323322. Its totient is φ = 133013323320.

The previous prime is 133013323217. The next prime is 133013323369. The reversal of 133013323321 is 123323310331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111847438096 + 21165885225 = 334436^2 + 145485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133013323321 is a prime.

It is not a weakly prime, because it can be changed into another prime (133013323021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66506661660 + 66506661661.

It is an arithmetic number, because the mean of its divisors is an integer number (66506661661).

Almost surely, 2^133013323321 is an apocalyptic number.

It is an amenable number.

133013323321 is a deficient number, since it is larger than the sum of its proper divisors (1).

133013323321 is an equidigital number, since it uses as much as digits as its factorization.

133013323321 is an evil number, because the sum of its binary digits is even.

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

Adding to 133013323321 its reverse (123323310331), we get a palindrome (256336633652).

The spelling of 133013323321 in words is "one hundred thirty-three billion, thirteen million, three hundred twenty-three thousand, three hundred twenty-one".