312234404005 has 4 divisors (see below), whose sum is σ = 374681284812. Its totient is φ = 249787523200.

The previous prime is 312234403979. The next prime is 312234404021. The reversal of 312234404005 is 500404432213.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84668196484 + 227566207521 = 290978^2 + 477039^2 .

It is not a de Polignac number, because 312234404005 - 2¹¹ = 312234401957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31223440396 + ... + 31223440405.

It is an arithmetic number, because the mean of its divisors is an integer number (93670321203).

Almost surely, 2^312234404005 is an apocalyptic number.

It is an amenable number.

312234404005 is a deficient number, since it is larger than the sum of its proper divisors (62446880807).

312234404005 is an equidigital number, since it uses as much as digits as its factorization.

312234404005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62446880806.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 312234404005 its reverse (500404432213), we get a palindrome (812638836218).

The spelling of 312234404005 in words is "three hundred twelve billion, two hundred thirty-four million, four hundred four thousand, five".