312477271 has 4 divisors (see below), whose sum is σ = 314283672. Its totient is φ = 310670872.

The previous prime is 312477251. The next prime is 312477283. The reversal of 312477271 is 172774213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172774213 = 17 ⋅10163189.

It is a cyclic number.

It is not a de Polignac number, because 312477271 - 2⁵ = 312477239 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 (312477251) 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 3 ways as a sum of consecutive naturals, for example, 902941 + ... + 903286.

It is an arithmetic number, because the mean of its divisors is an integer number (78570918).

Almost surely, 2^312477271 is an apocalyptic number.

312477271 is a deficient number, since it is larger than the sum of its proper divisors (1806401).

312477271 is a wasteful number, since it uses less digits than its factorization.

312477271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806400.

The product of its digits is 16464, while the sum is 34.

The square root of 312477271 is about 17677.0266447726. The cubic root of 312477271 is about 678.5879514837.

The spelling of 312477271 in words is "three hundred twelve million, four hundred seventy-seven thousand, two hundred seventy-one".