312344244 has 18 divisors (see below), whose sum is σ = 789536930. Its totient is φ = 104114736.

The previous prime is 312344243. The next prime is 312344257. The reversal of 312344244 is 442443213.

It is a happy number.

312344244 is a `hidden beast` number, since 3 + 1 + 234 + 424 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 308423844 + 3920400 = 17562^2 + 1980^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312344243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4338079 + ... + 4338150.

Almost surely, 2^312344244 is an apocalyptic number.

It is an amenable number.

312344244 is an abundant number, since it is smaller than the sum of its proper divisors (477192686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312344244 is a wasteful number, since it uses less digits than its factorization.

312344244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8676239 (or 8676234 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 312344244 is about 17673.2635356348. The cubic root of 312344244 is about 678.4916422577.

Adding to 312344244 its reverse (442443213), we get a palindrome (754787457).

The spelling of 312344244 in words is "three hundred twelve million, three hundred forty-four thousand, two hundred forty-four".