3011142161 has 2 divisors, whose sum is σ = 3011142162. Its totient is φ = 3011142160.

The previous prime is 3011142157. The next prime is 3011142217. The reversal of 3011142161 is 1612411103.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3005232400 + 5909761 = 54820^2 + 2431^2 .

It is a cyclic number.

It is not a de Polignac number, because 3011142161 - 2² = 3011142157 is a prime.

It is a super-2 number, since 2×3011142161² = 18133954227503499842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3011142151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1505571080 + 1505571081.

It is an arithmetic number, because the mean of its divisors is an integer number (1505571081).

Almost surely, 2^3011142161 is an apocalyptic number.

It is an amenable number.

3011142161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3011142161 is an equidigital number, since it uses as much as digits as its factorization.

3011142161 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 20.

The square root of 3011142161 is about 54873.8750317489. The cubic root of 3011142161 is about 1444.0328951065.

Adding to 3011142161 its reverse (1612411103), we get a palindrome (4623553264).

The spelling of 3011142161 in words is "three billion, eleven million, one hundred forty-two thousand, one hundred sixty-one".