2102320133 has 2 divisors, whose sum is σ = 2102320134. Its totient is φ = 2102320132.

The previous prime is 2102320097. The next prime is 2102320159. The reversal of 2102320133 is 3310232012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1583482849 + 518837284 = 39793^2 + 22778^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102320133 - 2⁶ = 2102320069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102320333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051160066 + 1051160067.

It is an arithmetic number, because the mean of its divisors is an integer number (1051160067).

Almost surely, 2^2102320133 is an apocalyptic number.

It is an amenable number.

2102320133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102320133 is an equidigital number, since it uses as much as digits as its factorization.

2102320133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2102320133 is about 45851.0646877474. The cubic root of 2102320133 is about 1281.0505968071.

Adding to 2102320133 its reverse (3310232012), we get a palindrome (5412552145).

The spelling of 2102320133 in words is "two billion, one hundred two million, three hundred twenty thousand, one hundred thirty-three".