103939313 has 2 divisors, whose sum is σ = 103939314. Its totient is φ = 103939312.

The previous prime is 103939301. The next prime is 103939331. The reversal of 103939313 is 313939301.

Together with next prime (103939331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62362609 + 41576704 = 7897^2 + 6448^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103939313 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103939313.

It is not a weakly prime, because it can be changed into another prime (103932313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51969656 + 51969657.

It is an arithmetic number, because the mean of its divisors is an integer number (51969657).

Almost surely, 2^103939313 is an apocalyptic number.

It is an amenable number.

103939313 is a deficient number, since it is larger than the sum of its proper divisors (1).

103939313 is an equidigital number, since it uses as much as digits as its factorization.

103939313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6561, while the sum is 32.

The square root of 103939313 is about 10195.0631680240. The cubic root of 103939313 is about 470.1754483052.

The spelling of 103939313 in words is "one hundred three million, nine hundred thirty-nine thousand, three hundred thirteen".