3243131 has 2 divisors, whose sum is σ = 3243132. Its totient is φ = 3243130.

The previous prime is 3243113. The next prime is 3243133. The reversal of 3243131 is 1313423.

It is a happy number.

Together with previous prime (3243113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (1313423) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3243131 is a prime.

It is a super-2 number, since 2×3243131² = 21035797366322, which contains 22 as substring.

Together with 3243133, 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 (3243133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621565 + 1621566.

It is an arithmetic number, because the mean of its divisors is an integer number (1621566).

Almost surely, 2^3243131 is an apocalyptic number.

3243131 is a deficient number, since it is larger than the sum of its proper divisors (1).

3243131 is an equidigital number, since it uses as much as digits as its factorization.

3243131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 17.

The square root of 3243131 is about 1800.8695122079. The cubic root of 3243131 is about 148.0203739909.

Adding to 3243131 its reverse (1313423), we get a palindrome (4556554).

The spelling of 3243131 in words is "three million, two hundred forty-three thousand, one hundred thirty-one".