312522432 has 56 divisors (see below), whose sum is σ = 836218800. Its totient is φ = 102998016.

The previous prime is 312522421. The next prime is 312522467. The reversal of 312522432 is 234225213.

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

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 7 ways as a sum of consecutive naturals, for example, 7944 + ... + 26232.

Almost surely, 2^312522432 is an apocalyptic number.

312522432 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 312522432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418109400).

312522432 is an abundant number, since it is smaller than the sum of its proper divisors (523696368).

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

312522432 is a wasteful number, since it uses less digits than its factorization.

312522432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18393 (or 18383 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 312522432 is about 17678.3039910507. The cubic root of 312522432 is about 678.6206410445.

Adding to 312522432 its reverse (234225213), we get a palindrome (546747645).

The spelling of 312522432 in words is "three hundred twelve million, five hundred twenty-two thousand, four hundred thirty-two".