312475271 has 4 divisors (see below), whose sum is σ = 313117392. Its totient is φ = 311833152.

The previous prime is 312475253. The next prime is 312475279. The reversal of 312475271 is 172574213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172574213 = 7 ⋅24653459.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312475271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312475279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320330 + ... + 321303.

It is an arithmetic number, because the mean of its divisors is an integer number (78279348).

Almost surely, 2^312475271 is an apocalyptic number.

312475271 is a deficient number, since it is larger than the sum of its proper divisors (642121).

312475271 is an equidigital number, since it uses as much as digits as its factorization.

312475271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642120.

The product of its digits is 11760, while the sum is 32.

The square root of 312475271 is about 17676.9700740823. The cubic root of 312475271 is about 678.5865037210.

The spelling of 312475271 in words is "three hundred twelve million, four hundred seventy-five thousand, two hundred seventy-one".