3020323121 has 2 divisors, whose sum is σ = 3020323122. Its totient is φ = 3020323120.

The previous prime is 3020323081. The next prime is 3020323147. The reversal of 3020323121 is 1213230203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2656887025 + 363436096 = 51545^2 + 19064^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3020323121 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3020323121.

It is not a weakly prime, because it can be changed into another prime (3020323151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1510161560 + 1510161561.

It is an arithmetic number, because the mean of its divisors is an integer number (1510161561).

Almost surely, 2^3020323121 is an apocalyptic number.

It is an amenable number.

3020323121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3020323121 is an equidigital number, since it uses as much as digits as its factorization.

3020323121 is an evil number, because the sum of its binary digits is even.

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

The square root of 3020323121 is about 54957.4664718089. The cubic root of 3020323121 is about 1445.4990228178.

Adding to 3020323121 its reverse (1213230203), we get a palindrome (4233553324).

The spelling of 3020323121 in words is "three billion, twenty million, three hundred twenty-three thousand, one hundred twenty-one".