312034312 has 8 divisors (see below), whose sum is σ = 585064350. Its totient is φ = 156017152.

The previous prime is 312034309. The next prime is 312034319. The reversal of 312034312 is 213430213.

It can be written as a sum of positive squares in only one way, i.e., 297700516 + 14333796 = 17254^2 + 3786^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 312034312.

It is not an unprimeable number, because it can be changed into a prime (312034319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19502137 + ... + 19502152.

Almost surely, 2^312034312 is an apocalyptic number.

It is an amenable number.

312034312 is a deficient number, since it is larger than the sum of its proper divisors (273030038).

312034312 is a wasteful number, since it uses less digits than its factorization.

312034312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39004295 (or 39004291 counting only the distinct ones).

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

The square root of 312034312 is about 17664.4929731934. The cubic root of 312034312 is about 678.2671507784.

Adding to 312034312 its reverse (213430213), we get a palindrome (525464525).

The spelling of 312034312 in words is "three hundred twelve million, thirty-four thousand, three hundred twelve".