103420313 has 2 divisors, whose sum is σ = 103420314. Its totient is φ = 103420312.

The previous prime is 103420297. The next prime is 103420349. The reversal of 103420313 is 313024301.

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., 93161104 + 10259209 = 9652^2 + 3203^2 .

It is a cyclic number.

It is not a de Polignac number, because 103420313 - 2⁴ = 103420297 is a prime.

It is a super-2 number, since 2×103420313² = 21391522282035938, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103420291 and 103420300.

It is not a weakly prime, because it can be changed into another prime (103420813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51710156 + 51710157.

It is an arithmetic number, because the mean of its divisors is an integer number (51710157).

Almost surely, 2^103420313 is an apocalyptic number.

It is an amenable number.

103420313 is a deficient number, since it is larger than the sum of its proper divisors (1).

103420313 is an equidigital number, since it uses as much as digits as its factorization.

103420313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 103420313 is about 10169.5778181791. The cubic root of 103420313 is about 469.3915667056.

Adding to 103420313 its reverse (313024301), we get a palindrome (416444614).

The spelling of 103420313 in words is "one hundred three million, four hundred twenty thousand, three hundred thirteen".