312343012 has 48 divisors (see below), whose sum is σ = 573850368. Its totient is φ = 148642560.

The previous prime is 312342973. The next prime is 312343019. The reversal of 312343012 is 210343213.

It is a super-3 number, since 3×312343012³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (312343019) 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 15 ways as a sum of consecutive naturals, for example, 1725562 + ... + 1725742.

It is an arithmetic number, because the mean of its divisors is an integer number (11955216).

Almost surely, 2^312343012 is an apocalyptic number.

It is an amenable number.

312343012 is a deficient number, since it is larger than the sum of its proper divisors (261507356).

312343012 is a wasteful number, since it uses less digits than its factorization.

312343012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 434 counting only the distinct ones).

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

The square root of 312343012 is about 17673.2286806910. The cubic root of 312343012 is about 678.4907501834.

Adding to 312343012 its reverse (210343213), we get a palindrome (522686225).

The spelling of 312343012 in words is "three hundred twelve million, three hundred forty-three thousand, twelve".