3103387661 has 16 divisors (see below), whose sum is σ = 3437131968. Its totient is φ = 2778556800.

The previous prime is 3103387657. The next prime is 3103387681. The reversal of 3103387661 is 1667833013.

It is a cyclic number.

It is not a de Polignac number, because 3103387661 - 2² = 3103387657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3103387681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196001 + ... + 211241.

It is an arithmetic number, because the mean of its divisors is an integer number (214820748).

Almost surely, 2^3103387661 is an apocalyptic number.

It is an amenable number.

3103387661 is a deficient number, since it is larger than the sum of its proper divisors (333744307).

3103387661 is a wasteful number, since it uses less digits than its factorization.

3103387661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15532.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 3103387661 is about 55708.0574154224. The cubic root of 3103387661 is about 1458.6306766222.

The spelling of 3103387661 in words is "three billion, one hundred three million, three hundred eighty-seven thousand, six hundred sixty-one".