103831243 has 2 divisors, whose sum is σ = 103831244. Its totient is φ = 103831242.

The previous prime is 103831241. The next prime is 103831261. The reversal of 103831243 is 342138301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103831243 - 2¹ = 103831241 is a prime.

Together with 103831241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (103831241) 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, 51915621 + 51915622.

It is an arithmetic number, because the mean of its divisors is an integer number (51915622).

Almost surely, 2^103831243 is an apocalyptic number.

103831243 is a deficient number, since it is larger than the sum of its proper divisors (1).

103831243 is an equidigital number, since it uses as much as digits as its factorization.

103831243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 103831243 is about 10189.7616753288. The cubic root of 103831243 is about 470.0124381800.

Adding to 103831243 its reverse (342138301), we get a palindrome (445969544).

The spelling of 103831243 in words is "one hundred three million, eight hundred thirty-one thousand, two hundred forty-three".