3143020121 has 2 divisors, whose sum is σ = 3143020122. Its totient is φ = 3143020120.

The previous prime is 3143020117. The next prime is 3143020169. The reversal of 3143020121 is 1210203413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2972430400 + 170589721 = 54520^2 + 13061^2 .

It is a cyclic number.

It is not a de Polignac number, because 3143020121 - 2² = 3143020117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3143020121.

It is not a weakly prime, because it can be changed into another prime (3143020021) 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, 1571510060 + 1571510061.

It is an arithmetic number, because the mean of its divisors is an integer number (1571510061).

Almost surely, 2^3143020121 is an apocalyptic number.

It is an amenable number.

3143020121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3143020121 is an equidigital number, since it uses as much as digits as its factorization.

3143020121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3143020121 is about 56062.6446129684. The cubic root of 3143020121 is about 1464.8136795898.

Adding to 3143020121 its reverse (1210203413), we get a palindrome (4353223534).

The spelling of 3143020121 in words is "three billion, one hundred forty-three million, twenty thousand, one hundred twenty-one".