3161306 has 4 divisors (see below), whose sum is σ = 4741962. Its totient is φ = 1580652.

The previous prime is 3161299. The next prime is 3161309. The reversal of 3161306 is 6031613.

3161306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6031613 = 7 ⋅861659.

It can be written as a sum of positive squares in only one way, i.e., 3045025 + 116281 = 1745^2 + 341^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3161309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 790325 + ... + 790328.

Almost surely, 2^3161306 is an apocalyptic number.

3161306 is a deficient number, since it is larger than the sum of its proper divisors (1580656).

3161306 is a wasteful number, since it uses less digits than its factorization.

3161306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580655.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 3161306 is about 1778.0061867159. The cubic root of 3161306 is about 146.7648917322.

Adding to 3161306 its reverse (6031613), we get a palindrome (9192919).

The spelling of 3161306 in words is "three million, one hundred sixty-one thousand, three hundred six".