3145313 has 4 divisors (see below), whose sum is σ = 3163668. Its totient is φ = 3126960.

The previous prime is 3145297. The next prime is 3145327. The reversal of 3145313 is 3135413.

It is a happy number.

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 2930944 + 214369 = 1712^2 + 463^2 .

It is a cyclic number.

It is not a de Polignac number, because 3145313 - 2⁴ = 3145297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3145913) 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, 8918 + ... + 9263.

It is an arithmetic number, because the mean of its divisors is an integer number (790917).

Almost surely, 2^3145313 is an apocalyptic number.

It is an amenable number.

3145313 is a deficient number, since it is larger than the sum of its proper divisors (18355).

3145313 is a wasteful number, since it uses less digits than its factorization.

3145313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18354.

The product of its digits is 540, while the sum is 20.

The square root of 3145313 is about 1773.5030307276. The cubic root of 3145313 is about 146.5169793985.

The spelling of 3145313 in words is "three million, one hundred forty-five thousand, three hundred thirteen".