103644313 has 2 divisors, whose sum is σ = 103644314. Its totient is φ = 103644312.

The previous prime is 103644311. The next prime is 103644329. The reversal of 103644313 is 313446301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100641024 + 3003289 = 10032^2 + 1733^2 .

It is a cyclic number.

It is not a de Polignac number, because 103644313 - 2¹ = 103644311 is a prime.

Together with 103644311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (103644311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51822156 + 51822157.

It is an arithmetic number, because the mean of its divisors is an integer number (51822157).

Almost surely, 2^103644313 is an apocalyptic number.

It is an amenable number.

103644313 is a deficient number, since it is larger than the sum of its proper divisors (1).

103644313 is an equidigital number, since it uses as much as digits as its factorization.

103644313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 103644313 is about 10180.5851010637. The cubic root of 103644313 is about 469.7302103376.

The spelling of 103644313 in words is "one hundred three million, six hundred forty-four thousand, three hundred thirteen".