312344243341313 has 4 divisors (see below), whose sum is σ = 312412905522900. Its totient is φ = 312275581159728.

The previous prime is 312344243341307. The next prime is 312344243341367. The reversal of 312344243341313 is 313143342443213.

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 221399163142144 + 90945080199169 = 14879488^2 + 9536513^2 .

It is a cyclic number.

It is not a de Polignac number, because 312344243341313 - 2¹⁴ = 312344243324929 is a prime.

It is a super-2 number, since 2×312344243341313² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312344243341913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34331083970 + ... + 34331093067.

It is an arithmetic number, because the mean of its divisors is an integer number (78103226380725).

Almost surely, 2^{312344243341313} is an apocalyptic number.

It is an amenable number.

312344243341313 is a deficient number, since it is larger than the sum of its proper divisors (68662181587).

312344243341313 is an equidigital number, since it uses as much as digits as its factorization.

312344243341313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68662181586.

The product of its digits is 746496, while the sum is 41.

Adding to 312344243341313 its reverse (313143342443213), we get a palindrome (625487585784526).

The spelling of 312344243341313 in words is "three hundred twelve trillion, three hundred forty-four billion, two hundred forty-three million, three hundred forty-one thousand, three hundred thirteen".