3103213 has 4 divisors (see below), whose sum is σ = 3266560. Its totient is φ = 2939868.

The previous prime is 3103211. The next prime is 3103237. The reversal of 3103213 is 3123013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3103213 - 2¹ = 3103211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3103193 and 3103202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3103211) 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, 81645 + ... + 81682.

It is an arithmetic number, because the mean of its divisors is an integer number (816640).

Almost surely, 2^3103213 is an apocalyptic number.

It is an amenable number.

3103213 is a deficient number, since it is larger than the sum of its proper divisors (163347).

3103213 is a wasteful number, since it uses less digits than its factorization.

3103213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163346.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 3103213 is about 1761.5938805525. The cubic root of 3103213 is about 145.8603311830.

Adding to 3103213 its reverse (3123013), we get a palindrome (6226226).

The spelling of 3103213 in words is "three million, one hundred three thousand, two hundred thirteen".