3132313 has 4 divisors (see below), whose sum is σ = 3163428. Its totient is φ = 3101200.

The previous prime is 3132299. The next prime is 3132323.

3132313 is nontrivially palindromic in base 10.

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 1317904 + 1814409 = 1148^2 + 1347^2 .

It is a cyclic number.

It is not a de Polignac number, because 3132313 - 2⁵ = 3132281 is a prime.

It is a super-2 number, since 2×3132313² = 19622769459938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3132323) 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, 15406 + ... + 15607.

It is an arithmetic number, because the mean of its divisors is an integer number (790857).

Almost surely, 2^3132313 is an apocalyptic number.

It is an amenable number.

3132313 is a deficient number, since it is larger than the sum of its proper divisors (31115).

3132313 is a wasteful number, since it uses less digits than its factorization.

3132313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31114.

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

The square root of 3132313 is about 1769.8341730230. The cubic root of 3132313 is about 146.3148425545.

The spelling of 3132313 in words is "three million, one hundred thirty-two thousand, three hundred thirteen".