312876871 has 2 divisors, whose sum is σ = 312876872. Its totient is φ = 312876870.

The previous prime is 312876841. The next prime is 312876877. The reversal of 312876871 is 178678213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312876871 - 2¹³ = 312868679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312876877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156438435 + 156438436.

It is an arithmetic number, because the mean of its divisors is an integer number (156438436).

Almost surely, 2^312876871 is an apocalyptic number.

312876871 is a deficient number, since it is larger than the sum of its proper divisors (1).

312876871 is an equidigital number, since it uses as much as digits as its factorization.

312876871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 43.

The square root of 312876871 is about 17688.3258393778. The cubic root of 312876871 is about 678.8770906344.

The spelling of 312876871 in words is "three hundred twelve million, eight hundred seventy-six thousand, eight hundred seventy-one".