312646213 has 12 divisors (see below), whose sum is σ = 348013120. Its totient is φ = 280617480.

The previous prime is 312646183. The next prime is 312646219.

312646213 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 312646213 - 2¹³ = 312638021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312646219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6795 + ... + 25912.

Almost surely, 2^312646213 is an apocalyptic number.

It is an amenable number.

312646213 is a deficient number, since it is larger than the sum of its proper divisors (35366907).

312646213 is a wasteful number, since it uses less digits than its factorization.

312646213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32808 (or 32797 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 312646213 is about 17681.8045741943. The cubic root of 312646213 is about 678.7102231516.

The spelling of 312646213 in words is "three hundred twelve million, six hundred forty-six thousand, two hundred thirteen".