312041817 has 24 divisors (see below), whose sum is σ = 478019880. Its totient is φ = 195471360.

The previous prime is 312041809. The next prime is 312041819. The reversal of 312041817 is 718140213.

It can be written as a sum of positive squares in 4 ways, for example, as 42458256 + 269583561 = 6516^2 + 16419^2 .

It is not a de Polignac number, because 312041817 - 2³ = 312041809 is a prime.

It is a super-2 number, since 2×312041817² = 194740191113322978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312041819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122517 + ... + 125037.

It is an arithmetic number, because the mean of its divisors is an integer number (19917495).

Almost surely, 2^312041817 is an apocalyptic number.

It is an amenable number.

312041817 is a deficient number, since it is larger than the sum of its proper divisors (165978063).

312041817 is a wasteful number, since it uses less digits than its factorization.

312041817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353 (or 3350 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 312041817 is about 17664.7054037139. The cubic root of 312041817 is about 678.2725885930.

The spelling of 312041817 in words is "three hundred twelve million, forty-one thousand, eight hundred seventeen".