3115355161 has 2 divisors, whose sum is σ = 3115355162. Its totient is φ = 3115355160.

The previous prime is 3115355123. The next prime is 3115355171. The reversal of 3115355161 is 1615535113.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3071265561 + 44089600 = 55419^2 + 6640^2 .

It is a cyclic number.

It is not a de Polignac number, because 3115355161 - 2¹¹ = 3115353113 is a prime.

It is not a weakly prime, because it can be changed into another prime (3115355171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1557677580 + 1557677581.

It is an arithmetic number, because the mean of its divisors is an integer number (1557677581).

Almost surely, 2^3115355161 is an apocalyptic number.

It is an amenable number.

3115355161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3115355161 is an equidigital number, since it uses as much as digits as its factorization.

3115355161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6750, while the sum is 31.

The square root of 3115355161 is about 55815.3667102528. The cubic root of 3115355161 is about 1460.5032294492.

The spelling of 3115355161 in words is "three billion, one hundred fifteen million, three hundred fifty-five thousand, one hundred sixty-one".