3130300081 has 2 divisors, whose sum is σ = 3130300082. Its totient is φ = 3130300080.

The previous prime is 3130300037. The next prime is 3130300163. The reversal of 3130300081 is 1800030313.

3130300081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3070933056 + 59367025 = 55416^2 + 7705^2 .

It is a cyclic number.

It is not a de Polignac number, because 3130300081 - 2⁹ = 3130299569 is a prime.

It is a super-2 number, since 2×3130300081² = 19597557194217213122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3130300001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565150040 + 1565150041.

It is an arithmetic number, because the mean of its divisors is an integer number (1565150041).

Almost surely, 2^3130300081 is an apocalyptic number.

It is an amenable number.

3130300081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130300081 is an equidigital number, since it uses as much as digits as its factorization.

3130300081 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 19.

The square root of 3130300081 is about 55949.0847199487. The cubic root of 3130300081 is about 1462.8349372504.

Adding to 3130300081 its reverse (1800030313), we get a palindrome (4930330394).

The spelling of 3130300081 in words is "three billion, one hundred thirty million, three hundred thousand, eighty-one".