312834243 has 4 divisors (see below), whose sum is σ = 417112328. Its totient is φ = 208556160.

The previous prime is 312834239. The next prime is 312834271. The reversal of 312834243 is 342438213.

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

It is not a de Polignac number, because 312834243 - 2² = 312834239 is a prime.

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 312834243.

It is not an unprimeable number, because it can be changed into a prime (312834443) 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, 52139038 + ... + 52139043.

It is an arithmetic number, because the mean of its divisors is an integer number (104278082).

Almost surely, 2^312834243 is an apocalyptic number.

312834243 is a deficient number, since it is larger than the sum of its proper divisors (104278085).

312834243 is a wasteful number, since it uses less digits than its factorization.

312834243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104278084.

The product of its digits is 13824, while the sum is 30.

The square root of 312834243 is about 17687.1208227908. The cubic root of 312834243 is about 678.8462579654.

The spelling of 312834243 in words is "three hundred twelve million, eight hundred thirty-four thousand, two hundred forty-three".