3141612161 has 2 divisors, whose sum is σ = 3141612162. Its totient is φ = 3141612160.

The previous prime is 3141612143. The next prime is 3141612191. The reversal of 3141612161 is 1612161413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3136000000 + 5612161 = 56000^2 + 2369^2 .

It is an emirp because it is prime and its reverse (1612161413) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3141612161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3141612161.

It is not a weakly prime, because it can be changed into another prime (3141612191) 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, 1570806080 + 1570806081.

It is an arithmetic number, because the mean of its divisors is an integer number (1570806081).

Almost surely, 2^3141612161 is an apocalyptic number.

It is an amenable number.

3141612161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3141612161 is an equidigital number, since it uses as much as digits as its factorization.

3141612161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 26.

The square root of 3141612161 is about 56050.0861819141. The cubic root of 3141612161 is about 1464.5949189683.

Adding to 3141612161 its reverse (1612161413), we get a palindrome (4753773574).

The spelling of 3141612161 in words is "three billion, one hundred forty-one million, six hundred twelve thousand, one hundred sixty-one".