3123313 has 4 divisors (see below), whose sum is σ = 3128308. Its totient is φ = 3118320.

The previous prime is 3123287. The next prime is 3123317. The reversal of 3123313 is 3133213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3038049 + 85264 = 1743^2 + 292^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3123313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3123317) 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, 1398 + ... + 2863.

It is an arithmetic number, because the mean of its divisors is an integer number (782077).

Almost surely, 2^3123313 is an apocalyptic number.

It is an amenable number.

3123313 is a deficient number, since it is larger than the sum of its proper divisors (4995).

3123313 is an equidigital number, since it uses as much as digits as its factorization.

3123313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4994.

The product of its digits is 162, while the sum is 16.

The square root of 3123313 is about 1767.2897328961. The cubic root of 3123313 is about 146.1745738129.

Adding to 3123313 its reverse (3133213), we get a palindrome (6256526).

The spelling of 3123313 in words is "three million, one hundred twenty-three thousand, three hundred thirteen".