312214232 has 128 divisors (see below), whose sum is σ = 715392000. Its totient is φ = 126120960.

The previous prime is 312214223. The next prime is 312214247. The reversal of 312214232 is 232412213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2278868 + ... + 2279004.

It is an arithmetic number, because the mean of its divisors is an integer number (5589000).

Almost surely, 2^312214232 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 312214232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357696000).

312214232 is an abundant number, since it is smaller than the sum of its proper divisors (403177768).

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

312214232 is a wasteful number, since it uses less digits than its factorization.

312214232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 245 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 312214232 is about 17669.5849413618. The cubic root of 312214232 is about 678.3974894127.

Adding to 312214232 its reverse (232412213), we get a palindrome (544626445).

It can be divided in two parts, 31221 and 4232, that added together give a palindrome (35453).

The spelling of 312214232 in words is "three hundred twelve million, two hundred fourteen thousand, two hundred thirty-two".