3147303 has 4 divisors (see below), whose sum is σ = 4196408. Its totient is φ = 2098200.

The previous prime is 3147269. The next prime is 3147311. The reversal of 3147303 is 3037413.

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

It is not a de Polignac number, because 3147303 - 2⁶ = 3147239 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3147303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3147323) 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, 524548 + ... + 524553.

It is an arithmetic number, because the mean of its divisors is an integer number (1049102).

Almost surely, 2^3147303 is an apocalyptic number.

3147303 is a deficient number, since it is larger than the sum of its proper divisors (1049105).

3147303 is a wasteful number, since it uses less digits than its factorization.

3147303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049104.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 3147303 is about 1774.0639785532. The cubic root of 3147303 is about 146.5478727012.

The spelling of 3147303 in words is "three million, one hundred forty-seven thousand, three hundred three".