312132232 has 16 divisors (see below), whose sum is σ = 593266140. Its totient is φ = 153927936.

The previous prime is 312132229. The next prime is 312132263. The reversal of 312132232 is 232231213.

It can be written as a sum of positive squares in 2 ways, for example, as 278422596 + 33709636 = 16686^2 + 5806^2 .

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 3 ways as a sum of consecutive naturals, for example, 266653 + ... + 267820.

Almost surely, 2^312132232 is an apocalyptic number.

It is an amenable number.

312132232 is a deficient number, since it is larger than the sum of its proper divisors (281133908).

312132232 is a wasteful number, since it uses less digits than its factorization.

312132232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534552 (or 534548 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 312132232 is about 17667.2644175605. The cubic root of 312132232 is about 678.3380927344.

Adding to 312132232 its reverse (232231213), we get a palindrome (544363445).

It can be divided in two parts, 3121 and 32232, that added together give a palindrome (35353).

The spelling of 312132232 in words is "three hundred twelve million, one hundred thirty-two thousand, two hundred thirty-two".