312630065 has 8 divisors (see below), whose sum is σ = 409261248. Its totient is φ = 227367280.

The previous prime is 312630061. The next prime is 312630079. The reversal of 312630065 is 560036213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 312630065 - 2² = 312630061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312630061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2842037 + ... + 2842146.

It is an arithmetic number, because the mean of its divisors is an integer number (51157656).

Almost surely, 2^312630065 is an apocalyptic number.

It is an amenable number.

312630065 is a deficient number, since it is larger than the sum of its proper divisors (96631183).

312630065 is a wasteful number, since it uses less digits than its factorization.

312630065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5684199.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 312630065 is about 17681.3479406973. The cubic root of 312630065 is about 678.6985379508.

Adding to 312630065 its reverse (560036213), we get a palindrome (872666278).

The spelling of 312630065 in words is "three hundred twelve million, six hundred thirty thousand, sixty-five".