3161120216 has 32 divisors (see below), whose sum is σ = 6281712000. Its totient is φ = 1486173696.

The previous prime is 3161120203. The next prime is 3161120257. The reversal of 3161120216 is 6120211613.

It is a junction number, because it is equal to n+sod(n) for n = 3161120191 and 3161120200.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 140345 + ... + 161303.

It is an arithmetic number, because the mean of its divisors is an integer number (196303500).

Almost surely, 2^3161120216 is an apocalyptic number.

It is an amenable number.

3161120216 is a deficient number, since it is larger than the sum of its proper divisors (3120591784).

3161120216 is a wasteful number, since it uses less digits than its factorization.

3161120216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22091 (or 22087 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 3161120216 is about 56223.8402815034. The cubic root of 3161120216 is about 1467.6201664381.

Adding to 3161120216 its reverse (6120211613), we get a palindrome (9281331829).

The spelling of 3161120216 in words is "three billion, one hundred sixty-one million, one hundred twenty thousand, two hundred sixteen".