312214564 has 6 divisors (see below), whose sum is σ = 546375494. Its totient is φ = 156107280.

The previous prime is 312214541. The next prime is 312214577. The reversal of 312214564 is 465412213.

It can be written as a sum of positive squares in only one way, i.e., 311804964 + 409600 = 17658^2 + 640^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39026817 + ... + 39026824.

Almost surely, 2^312214564 is an apocalyptic number.

It is an amenable number.

312214564 is a deficient number, since it is larger than the sum of its proper divisors (234160930).

312214564 is a wasteful number, since it uses less digits than its factorization.

312214564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78053645 (or 78053643 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 312214564 is about 17669.5943360339. The cubic root of 312214564 is about 678.3977298757.

Adding to 312214564 its reverse (465412213), we get a palindrome (777626777).

The spelling of 312214564 in words is "three hundred twelve million, two hundred fourteen thousand, five hundred sixty-four".