312002 has 8 divisors (see below), whose sum is σ = 474636. Its totient is φ = 153792.

The previous prime is 311981. The next prime is 312007. The reversal of 312002 is 200213.

It can be written as a sum of positive squares in 2 ways, for example, as 292681 + 19321 = 541^2 + 139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (312007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 923 + ... + 1214.

2³¹²⁰⁰² is an apocalyptic number.

312002 is a deficient number, since it is larger than the sum of its proper divisors (162634).

312002 is a wasteful number, since it uses less digits than its factorization.

312002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 312002 is about 558.5713920351. The cubic root of 312002 is about 67.8243737835.

Adding to 312002 its reverse (200213), we get a palindrome (512215).

The spelling of 312002 in words is "three hundred twelve thousand, two", and thus it is an iban number.