3261131 has 2 divisors, whose sum is σ = 3261132. Its totient is φ = 3261130.

The previous prime is 3261119. The next prime is 3261133. The reversal of 3261131 is 1311623.

3261131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (1311623) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3261131 is a prime.

It is a super-2 number, since 2×3261131² = 21269950798322, which contains 22 as substring.

Together with 3261133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3261133) 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, 1630565 + 1630566.

It is an arithmetic number, because the mean of its divisors is an integer number (1630566).

Almost surely, 2^3261131 is an apocalyptic number.

3261131 is a deficient number, since it is larger than the sum of its proper divisors (1).

3261131 is an equidigital number, since it uses as much as digits as its factorization.

3261131 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3261131 is about 1805.8601828492. The cubic root of 3261131 is about 148.2937160818.

Adding to 3261131 its reverse (1311623), we get a palindrome (4572754).

The spelling of 3261131 in words is "three million, two hundred sixty-one thousand, one hundred thirty-one".