3313631 has 2 divisors, whose sum is σ = 3313632. Its totient is φ = 3313630.

The previous prime is 3313603. The next prime is 3313637. The reversal of 3313631 is 1363133.

It is a strong prime.

It is an emirp because it is prime and its reverse (1363133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3313631 - 2¹⁸ = 3051487 is a prime.

It is a super-2 number, since 2×3313631² = 21960300808322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3313637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656815 + 1656816.

It is an arithmetic number, because the mean of its divisors is an integer number (1656816).

Almost surely, 2^3313631 is an apocalyptic number.

3313631 is a deficient number, since it is larger than the sum of its proper divisors (1).

3313631 is an equidigital number, since it uses as much as digits as its factorization.

3313631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486, while the sum is 20.

The square root of 3313631 is about 1820.3381553986. The cubic root of 3313631 is about 149.0852626731.

Adding to 3313631 its reverse (1363133), we get a palindrome (4676764).

The spelling of 3313631 in words is "three million, three hundred thirteen thousand, six hundred thirty-one".