3161142217 has 2 divisors, whose sum is σ = 3161142218. Its totient is φ = 3161142216.

The previous prime is 3161142191. The next prime is 3161142239. The reversal of 3161142217 is 7122411613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2387690496 + 773451721 = 48864^2 + 27811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3161142217 is a prime.

It is not a weakly prime, because it can be changed into another prime (3161149217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580571108 + 1580571109.

It is an arithmetic number, because the mean of its divisors is an integer number (1580571109).

Almost surely, 2^3161142217 is an apocalyptic number.

It is an amenable number.

3161142217 is a deficient number, since it is larger than the sum of its proper divisors (1).

3161142217 is an equidigital number, since it uses as much as digits as its factorization.

3161142217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 28.

The square root of 3161142217 is about 56224.0359365992. The cubic root of 3161142217 is about 1467.6235712476.

The spelling of 3161142217 in words is "three billion, one hundred sixty-one million, one hundred forty-two thousand, two hundred seventeen".