312480971 has 16 divisors (see below), whose sum is σ = 346945248. Its totient is φ = 279072000.

The previous prime is 312480937. The next prime is 312480983. The reversal of 312480971 is 179084213.

It is a cyclic number.

It is not a de Polignac number, because 312480971 - 2⁶ = 312480907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312480901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151181 + ... + 153233.

It is an arithmetic number, because the mean of its divisors is an integer number (21684078).

Almost surely, 2^312480971 is an apocalyptic number.

312480971 is a deficient number, since it is larger than the sum of its proper divisors (34464277).

312480971 is a wasteful number, since it uses less digits than its factorization.

312480971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 312480971 is about 17677.1313000724. The cubic root of 312480971 is about 678.5906298284.

The spelling of 312480971 in words is "three hundred twelve million, four hundred eighty thousand, nine hundred seventy-one".