312055814 has 12 divisors (see below), whose sum is σ = 544505724. Its totient is φ = 133738164.

The previous prime is 312055813. The next prime is 312055823. The reversal of 312055814 is 418550213.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312055811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1592024 + ... + 1592219.

It is an arithmetic number, because the mean of its divisors is an integer number (45375477).

Almost surely, 2^312055814 is an apocalyptic number.

312055814 is a deficient number, since it is larger than the sum of its proper divisors (232449910).

312055814 is a wasteful number, since it uses less digits than its factorization.

312055814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184259 (or 3184252 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 312055814 is about 17665.1015847631. The cubic root of 312055814 is about 678.2827300109.

The spelling of 312055814 in words is "three hundred twelve million, fifty-five thousand, eight hundred fourteen".