3631331 has 6 divisors (see below), whose sum is σ = 3991596. Its totient is φ = 3301100.

The previous prime is 3631321. The next prime is 3631339. The reversal of 3631331 is 1331363.

It is not a de Polignac number, because 3631331 - 2¹⁸ = 3369187 is a prime.

It is a super-2 number, since 2×3631331² = 26373129663122, which contains 22 as substring.

It is a Duffinian number.

3631331 is a modest number, since divided by 1331 gives 363 as remainder.

It is not an unprimeable number, because it can be changed into a prime (3631339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14885 + ... + 15126.

It is an arithmetic number, because the mean of its divisors is an integer number (665266).

Almost surely, 2^3631331 is an apocalyptic number.

3631331 is a deficient number, since it is larger than the sum of its proper divisors (360265).

3631331 is a wasteful number, since it uses less digits than its factorization.

3631331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30033 (or 30022 counting only the distinct ones).

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

The square root of 3631331 is about 1905.6051532256. The cubic root of 3631331 is about 153.7052184120.

Adding to 3631331 its reverse (1331363), we get a palindrome (4962694).

Subtracting from 3631331 its reverse (1331363), we obtain a cube (2299968 = 132³).

The spelling of 3631331 in words is "three million, six hundred thirty-one thousand, three hundred thirty-one".