103313213 has 4 divisors (see below), whose sum is σ = 106105500. Its totient is φ = 100520928.

The previous prime is 103313209. The next prime is 103313227. The reversal of 103313213 is 312313301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312313301 = 131 ⋅2384071.

It can be written as a sum of positive squares in 2 ways, for example, as 36024004 + 67289209 = 6002^2 + 8203^2 .

It is a cyclic number.

It is not a de Polignac number, because 103313213 - 2² = 103313209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103313191 and 103313200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103313293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1396088 + ... + 1396161.

It is an arithmetic number, because the mean of its divisors is an integer number (26526375).

Almost surely, 2^103313213 is an apocalyptic number.

It is an amenable number.

103313213 is a deficient number, since it is larger than the sum of its proper divisors (2792287).

103313213 is an equidigital number, since it uses as much as digits as its factorization.

103313213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792286.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 103313213 is about 10164.3107488900. The cubic root of 103313213 is about 469.2294799136.

Adding to 103313213 its reverse (312313301), we get a palindrome (415626514).

The spelling of 103313213 in words is "one hundred three million, three hundred thirteen thousand, two hundred thirteen".