3081163961 has 2 divisors, whose sum is σ = 3081163962. Its totient is φ = 3081163960.

The previous prime is 3081163879. The next prime is 3081163991. The reversal of 3081163961 is 1693611803.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1588500736 + 1492663225 = 39856^2 + 38635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3081163961 is a prime.

It is not a weakly prime, because it can be changed into another prime (3081163991) 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, 1540581980 + 1540581981.

It is an arithmetic number, because the mean of its divisors is an integer number (1540581981).

Almost surely, 2^3081163961 is an apocalyptic number.

It is an amenable number.

3081163961 is a deficient number, since it is larger than the sum of its proper divisors (1).

3081163961 is an equidigital number, since it uses as much as digits as its factorization.

3081163961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 3081163961 is about 55508.2332721913. The cubic root of 3081163961 is about 1455.1405273591.

The spelling of 3081163961 in words is "three billion, eighty-one million, one hundred sixty-three thousand, nine hundred sixty-one".