312897167 has 12 divisors (see below), whose sum is σ = 355027008. Its totient is φ = 275272800.

The previous prime is 312897161. The next prime is 312897173. The reversal of 312897167 is 761798213.

It is an interprime number because it is at equal distance from previous prime (312897161) and next prime (312897173).

It is not a de Polignac number, because 312897167 - 2⁶ = 312897103 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 (312897161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37958 + ... + 45459.

It is an arithmetic number, because the mean of its divisors is an integer number (29585584).

Almost surely, 2^312897167 is an apocalyptic number.

312897167 is a deficient number, since it is larger than the sum of its proper divisors (42129841).

312897167 is a wasteful number, since it uses less digits than its factorization.

312897167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83470 (or 83459 counting only the distinct ones).

The product of its digits is 127008, while the sum is 44.

The square root of 312897167 is about 17688.8995418030. The cubic root of 312897167 is about 678.8917696693.

The spelling of 312897167 in words is "three hundred twelve million, eight hundred ninety-seven thousand, one hundred sixty-seven".