312310005 has 32 divisors (see below), whose sum is σ = 573640704. Its totient is φ = 142130496.

The previous prime is 312309983. The next prime is 312310051. The reversal of 312310005 is 500013213.

It is a happy number.

It is not a de Polignac number, because 312310005 - 2²¹ = 310212853 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 17284 + ... + 30386.

It is an arithmetic number, because the mean of its divisors is an integer number (17926272).

Almost surely, 2^312310005 is an apocalyptic number.

312310005 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

312310005 is a deficient number, since it is larger than the sum of its proper divisors (261330699).

312310005 is a wasteful number, since it uses less digits than its factorization.

312310005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13345.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 312310005 is about 17672.2948424929. The cubic root of 312310005 is about 678.4668493946.

Adding to 312310005 its reverse (500013213), we get a palindrome (812323218).

The spelling of 312310005 in words is "three hundred twelve million, three hundred ten thousand, five".