3132161 has 4 divisors (see below), whose sum is σ = 3216852. Its totient is φ = 3047472.

The previous prime is 3132149. The next prime is 3132179. The reversal of 3132161 is 1612313.

3132161 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.

It can be written as a sum of positive squares in 2 ways, for example, as 1392400 + 1739761 = 1180^2 + 1319^2 .

It is a cyclic number.

It is not a de Polignac number, because 3132161 - 2¹⁰ = 3131137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3132121) 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 in 3 ways as a sum of consecutive naturals, for example, 42290 + ... + 42363.

It is an arithmetic number, because the mean of its divisors is an integer number (804213).

Almost surely, 2^3132161 is an apocalyptic number.

It is an amenable number.

3132161 is a deficient number, since it is larger than the sum of its proper divisors (84691).

3132161 is an equidigital number, since it uses as much as digits as its factorization.

3132161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84690.

The product of its digits is 108, while the sum is 17.

The square root of 3132161 is about 1769.7912306258. The cubic root of 3132161 is about 146.3124758034.

Adding to 3132161 its reverse (1612313), we get a palindrome (4744474).

The spelling of 3132161 in words is "three million, one hundred thirty-two thousand, one hundred sixty-one".