2021320283 has 2 divisors, whose sum is σ = 2021320284. Its totient is φ = 2021320282.

The previous prime is 2021320243. The next prime is 2021320289. The reversal of 2021320283 is 3820231202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2021320283 - 2¹⁰ = 2021319259 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021320289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010660141 + 1010660142.

It is an arithmetic number, because the mean of its divisors is an integer number (1010660142).

Almost surely, 2^2021320283 is an apocalyptic number.

2021320283 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021320283 is an equidigital number, since it uses as much as digits as its factorization.

2021320283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2021320283 is about 44959.0956648374. The cubic root of 2021320283 is about 1264.3822139256.

Adding to 2021320283 its reverse (3820231202), we get a palindrome (5841551485).

The spelling of 2021320283 in words is "two billion, twenty-one million, three hundred twenty thousand, two hundred eighty-three".