3161361 has 16 divisors (see below), whose sum is σ = 4921344. Its totient is φ = 1767504.

The previous prime is 3161351. The next prime is 3161407. The reversal of 3161361 is 1631613.

It is not a de Polignac number, because 3161361 - 2⁵ = 3161329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615 + ... + 2588.

It is an arithmetic number, because the mean of its divisors is an integer number (307584).

Almost surely, 2^3161361 is an apocalyptic number.

It is an amenable number.

3161361 is a deficient number, since it is larger than the sum of its proper divisors (1759983).

3161361 is a wasteful number, since it uses less digits than its factorization.

3161361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3260.

The product of its digits is 324, while the sum is 21.

The square root of 3161361 is about 1778.0216534115. The cubic root of 3161361 is about 146.7657428596.

Adding to 3161361 its reverse (1631613), we get a palindrome (4792974).

The spelling of 3161361 in words is "three million, one hundred sixty-one thousand, three hundred sixty-one".