312080999 has 8 divisors (see below), whose sum is σ = 322412160. Its totient is φ = 301766400.

The previous prime is 312080969. The next prime is 312081001. The reversal of 312080999 is 999080213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 312080999 - 2²⁴ = 295303783 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 (312080939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42779 + ... + 49539.

It is an arithmetic number, because the mean of its divisors is an integer number (40301520).

Almost surely, 2^312080999 is an apocalyptic number.

312080999 is a deficient number, since it is larger than the sum of its proper divisors (10331161).

312080999 is a wasteful number, since it uses less digits than its factorization.

312080999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8281.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 312080999 is about 17665.8144165504. The cubic root of 312080999 is about 678.3009768440.

The spelling of 312080999 in words is "three hundred twelve million, eighty thousand, nine hundred ninety-nine".