3125031113 has 2 divisors, whose sum is σ = 3125031114. Its totient is φ = 3125031112.

The previous prime is 3125031089. The next prime is 3125031121. The reversal of 3125031113 is 3111305213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2807728144 + 317302969 = 52988^2 + 17813^2 .

It is a cyclic number.

It is not a de Polignac number, because 3125031113 - 2¹⁰ = 3125030089 is a prime.

It is not a weakly prime, because it can be changed into another prime (3125031163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562515556 + 1562515557.

It is an arithmetic number, because the mean of its divisors is an integer number (1562515557).

Almost surely, 2^3125031113 is an apocalyptic number.

It is an amenable number.

3125031113 is a deficient number, since it is larger than the sum of its proper divisors (1).

3125031113 is an equidigital number, since it uses as much as digits as its factorization.

3125031113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 3125031113 is about 55901.9777199340. The cubic root of 3125031113 is about 1462.0137210884.

Adding to 3125031113 its reverse (3111305213), we get a palindrome (6236336326).

The spelling of 3125031113 in words is "three billion, one hundred twenty-five million, thirty-one thousand, one hundred thirteen".