133313321293 has 2 divisors, whose sum is σ = 133313321294. Its totient is φ = 133313321292.

The previous prime is 133313321279. The next prime is 133313321353. The reversal of 133313321293 is 392123313331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67942592964 + 65370728329 = 260658^2 + 255677^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133313321293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133313321893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66656660646 + 66656660647.

It is an arithmetic number, because the mean of its divisors is an integer number (66656660647).

Almost surely, 2^133313321293 is an apocalyptic number.

It is an amenable number.

133313321293 is a deficient number, since it is larger than the sum of its proper divisors (1).

133313321293 is an equidigital number, since it uses as much as digits as its factorization.

133313321293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26244, while the sum is 34.

The spelling of 133313321293 in words is "one hundred thirty-three billion, three hundred thirteen million, three hundred twenty-one thousand, two hundred ninety-three".