3085631 has 2 divisors, whose sum is σ = 3085632. Its totient is φ = 3085630.

The previous prime is 3085613. The next prime is 3085633. The reversal of 3085631 is 1365803.

Together with previous prime (3085613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3085631 - 2⁶ = 3085567 is a prime.

It is a super-2 number, since 2×3085631² = 19042237336322, which contains 22 as substring.

Together with 3085633, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3085631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3085633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1542815 + 1542816.

It is an arithmetic number, because the mean of its divisors is an integer number (1542816).

Almost surely, 2^3085631 is an apocalyptic number.

3085631 is a deficient number, since it is larger than the sum of its proper divisors (1).

3085631 is an equidigital number, since it uses as much as digits as its factorization.

3085631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 3085631 is about 1756.5964249081. The cubic root of 3085631 is about 145.5843403589.

The spelling of 3085631 in words is "three million, eighty-five thousand, six hundred thirty-one".