3109378903 has 2 divisors, whose sum is σ = 3109378904. Its totient is φ = 3109378902.

The previous prime is 3109378889. The next prime is 3109378907. The reversal of 3109378903 is 3098739013.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3109378903 - 2¹⁷ = 3109247831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3109378903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3109378907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1554689451 + 1554689452.

It is an arithmetic number, because the mean of its divisors is an integer number (1554689452).

Almost surely, 2^3109378903 is an apocalyptic number.

3109378903 is a deficient number, since it is larger than the sum of its proper divisors (1).

3109378903 is an equidigital number, since it uses as much as digits as its factorization.

3109378903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 3109378903 is about 55761.8050550733. The cubic root of 3109378903 is about 1459.5687259041.

The spelling of 3109378903 in words is "three billion, one hundred nine million, three hundred seventy-eight thousand, nine hundred three".