312234432 has 56 divisors (see below), whose sum is σ = 837474576. Its totient is φ = 102647808.

The previous prime is 312234421. The next prime is 312234437. The reversal of 312234432 is 234432213.

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312234437) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2878 + ... + 25154.

Almost surely, 2^312234432 is an apocalyptic number.

312234432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312234432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418737288).

312234432 is an abundant number, since it is smaller than the sum of its proper divisors (525240144).

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

312234432 is a wasteful number, since it uses less digits than its factorization.

312234432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22365 (or 22355 counting only the distinct ones).

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

The square root of 312234432 is about 17670.1565358092. The cubic root of 312234432 is about 678.4121196808.

Adding to 312234432 its reverse (234432213), we get a palindrome (546666645).

The spelling of 312234432 in words is "three hundred twelve million, two hundred thirty-four thousand, four hundred thirty-two".