2120300317 has 2 divisors, whose sum is σ = 2120300318. Its totient is φ = 2120300316.

The previous prime is 2120300293. The next prime is 2120300323. The reversal of 2120300317 is 7130030212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1631271321 + 489028996 = 40389^2 + 22114^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120300317 - 2¹¹ = 2120298269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120300294 and 2120300303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120300327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060150158 + 1060150159.

It is an arithmetic number, because the mean of its divisors is an integer number (1060150159).

Almost surely, 2^2120300317 is an apocalyptic number.

It is an amenable number.

2120300317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120300317 is an equidigital number, since it uses as much as digits as its factorization.

2120300317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 2120300317 is about 46046.7188516185. The cubic root of 2120300317 is about 1284.6923147109.

Adding to 2120300317 its reverse (7130030212), we get a palindrome (9250330529).

The spelling of 2120300317 in words is "two billion, one hundred twenty million, three hundred thousand, three hundred seventeen".