693108103 has 2 divisors, whose sum is σ = 693108104. Its totient is φ = 693108102.

The previous prime is 693108077. The next prime is 693108109. The reversal of 693108103 is 301801396.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-693108103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (693108109) 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, 346554051 + 346554052.

It is an arithmetic number, because the mean of its divisors is an integer number (346554052).

Almost surely, 2^693108103 is an apocalyptic number.

693108103 is a deficient number, since it is larger than the sum of its proper divisors (1).

693108103 is an equidigital number, since it uses as much as digits as its factorization.

693108103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 693108103 is about 26326.9463288092. The cubic root of 693108103 is about 884.9804130279.

Adding to 693108103 its reverse (301801396), we get a palindrome (994909499).

The spelling of 693108103 in words is "six hundred ninety-three million, one hundred eight thousand, one hundred three".