3131441 has 2 divisors, whose sum is σ = 3131442. Its totient is φ = 3131440.

The previous prime is 3131437. The next prime is 3131467. The reversal of 3131441 is 1441313.

3131441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2876416 + 255025 = 1696^2 + 505^2 .

It is an emirp because it is prime and its reverse (1441313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3131441 - 2² = 3131437 is a prime.

It is not a weakly prime, because it can be changed into another prime (3131431) 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, 1565720 + 1565721.

It is an arithmetic number, because the mean of its divisors is an integer number (1565721).

Almost surely, 2^3131441 is an apocalyptic number.

It is an amenable number.

3131441 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131441 is an equidigital number, since it uses as much as digits as its factorization.

3131441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 17.

The square root of 3131441 is about 1769.5878051117. The cubic root of 3131441 is about 146.3012638366.

Adding to 3131441 its reverse (1441313), we get a palindrome (4572754).

The spelling of 3131441 in words is "three million, one hundred thirty-one thousand, four hundred forty-one".