103951691 has 2 divisors, whose sum is σ = 103951692. Its totient is φ = 103951690.

The previous prime is 103951669. The next prime is 103951693. The reversal of 103951691 is 196159301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103951691 - 2¹⁰ = 103950667 is a prime.

Together with 103951693, 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 (103951693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51975845 + 51975846.

It is an arithmetic number, because the mean of its divisors is an integer number (51975846).

Almost surely, 2^103951691 is an apocalyptic number.

103951691 is a deficient number, since it is larger than the sum of its proper divisors (1).

103951691 is an equidigital number, since it uses as much as digits as its factorization.

103951691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 103951691 is about 10195.6702084758. The cubic root of 103951691 is about 470.1941117621.

The spelling of 103951691 in words is "one hundred three million, nine hundred fifty-one thousand, six hundred ninety-one".