312144313343 has 4 divisors (see below), whose sum is σ = 318785681760. Its totient is φ = 305502944928.

The previous prime is 312144313301. The next prime is 312144313363. The reversal of 312144313343 is 343313441213.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 312144313343 - 2³² = 307849346047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312144313363) 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, 3320684138 + ... + 3320684231.

It is an arithmetic number, because the mean of its divisors is an integer number (79696420440).

Almost surely, 2^312144313343 is an apocalyptic number.

312144313343 is a deficient number, since it is larger than the sum of its proper divisors (6641368417).

312144313343 is an equidigital number, since it uses as much as digits as its factorization.

312144313343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6641368416.

The product of its digits is 31104, while the sum is 32.

Adding to 312144313343 its reverse (343313441213), we get a palindrome (655457754556).

The spelling of 312144313343 in words is "three hundred twelve billion, one hundred forty-four million, three hundred thirteen thousand, three hundred forty-three".