312291196 has 12 divisors (see below), whose sum is σ = 624582448. Its totient is φ = 133839072.

The previous prime is 312291151. The next prime is 312291229. The reversal of 312291196 is 691192213.

312291196 is an admirable number.

It is a super-2 number, since 2×312291196² = 195051582198220832, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5576601 + ... + 5576656.

Almost surely, 2^312291196 is an apocalyptic number.

It is an amenable number.

312291196 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312291196 is a wasteful number, since it uses less digits than its factorization.

312291196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11153268 (or 11153266 counting only the distinct ones).

The product of its digits is 5832, while the sum is 34.

The square root of 312291196 is about 17671.7626738252. The cubic root of 312291196 is about 678.4532288050.

The spelling of 312291196 in words is "three hundred twelve million, two hundred ninety-one thousand, one hundred ninety-six".