312930232 has 16 divisors (see below), whose sum is σ = 597815640. Its totient is φ = 153512736.

The previous prime is 312930229. The next prime is 312930239. The reversal of 312930232 is 232039213.

It is a junction number, because it is equal to n+sod(n) for n = 312930197 and 312930206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312930239) 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 3 ways as a sum of consecutive naturals, for example, 368598 + ... + 369445.

Almost surely, 2^312930232 is an apocalyptic number.

It is an amenable number.

312930232 is a deficient number, since it is larger than the sum of its proper divisors (284885408).

312930232 is a wasteful number, since it uses less digits than its factorization.

312930232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738102 (or 738098 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 312930232 is about 17689.8341428064. The cubic root of 312930232 is about 678.9156824944.

Adding to 312930232 its reverse (232039213), we get a palindrome (544969445).

The spelling of 312930232 in words is "three hundred twelve million, nine hundred thirty thousand, two hundred thirty-two".