3103691 has 2 divisors, whose sum is σ = 3103692. Its totient is φ = 3103690.

The previous prime is 3103687. The next prime is 3103693. The reversal of 3103691 is 1963013.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3103691 - 2² = 3103687 is a prime.

Together with 3103693, 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 (3103693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1551845 + 1551846.

It is an arithmetic number, because the mean of its divisors is an integer number (1551846).

Almost surely, 2^3103691 is an apocalyptic number.

3103691 is a deficient number, since it is larger than the sum of its proper divisors (1).

3103691 is an equidigital number, since it uses as much as digits as its factorization.

3103691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 3103691 is about 1761.7295479159. The cubic root of 3103691 is about 145.8678199438.

The spelling of 3103691 in words is "three million, one hundred three thousand, six hundred ninety-one".