312193085 has 16 divisors (see below), whose sum is σ = 396788160. Its totient is φ = 235146240.

The previous prime is 312193081. The next prime is 312193097. The reversal of 312193085 is 580391213.

It is not a de Polignac number, because 312193085 - 2² = 312193081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312193081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5405 + ... + 25565.

It is an arithmetic number, because the mean of its divisors is an integer number (24799260).

Almost surely, 2^312193085 is an apocalyptic number.

It is an amenable number.

312193085 is a deficient number, since it is larger than the sum of its proper divisors (84595075).

312193085 is a wasteful number, since it uses less digits than its factorization.

312193085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20348.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 312193085 is about 17668.9865300758. The cubic root of 312193085 is about 678.3821725841.

The spelling of 312193085 in words is "three hundred twelve million, one hundred ninety-three thousand, eighty-five".