312031344005 has 4 divisors (see below), whose sum is σ = 374437612812. Its totient is φ = 249625075200.

The previous prime is 312031343971. The next prime is 312031344017. The reversal of 312031344005 is 500443130213.

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 42397280836 + 269634063169 = 205906^2 + 519263^2 .

It is not a de Polignac number, because 312031344005 - 2²² = 312027149701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31203134396 + ... + 31203134405.

It is an arithmetic number, because the mean of its divisors is an integer number (93609403203).

Almost surely, 2^312031344005 is an apocalyptic number.

It is an amenable number.

312031344005 is a deficient number, since it is larger than the sum of its proper divisors (62406268807).

312031344005 is an equidigital number, since it uses as much as digits as its factorization.

312031344005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62406268806.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 312031344005 its reverse (500443130213), we get a palindrome (812474474218).

The spelling of 312031344005 in words is "three hundred twelve billion, thirty-one million, three hundred forty-four thousand, five".