312344232 has 128 divisors (see below), whose sum is σ = 859541760. Its totient is φ = 94279680.

The previous prime is 312344203. The next prime is 312344233. The reversal of 312344232 is 232443213.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is not an unprimeable number, because it can be changed into a prime (312344233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 837198 + ... + 837570.

It is an arithmetic number, because the mean of its divisors is an integer number (6715170).

Almost surely, 2^312344232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312344232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429770880).

312344232 is an abundant number, since it is smaller than the sum of its proper divisors (547197528).

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

312344232 is a wasteful number, since it uses less digits than its factorization.

312344232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 479 counting only the distinct ones).

The product of its digits is 3456, while the sum is 24.

The square root of 312344232 is about 17673.2631961390. The cubic root of 312344232 is about 678.4916335687.

Adding to 312344232 its reverse (232443213), we get a palindrome (544787445).

The spelling of 312344232 in words is "three hundred twelve million, three hundred forty-four thousand, two hundred thirty-two".