312141343 has 4 divisors (see below), whose sum is σ = 319400488. Its totient is φ = 304882200.

The previous prime is 312141307. The next prime is 312141353. The reversal of 312141343 is 343141213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343141213 = 1381 ⋅248473.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312141343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312141353) 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, 3629508 + ... + 3629593.

It is an arithmetic number, because the mean of its divisors is an integer number (79850122).

Almost surely, 2^312141343 is an apocalyptic number.

312141343 is a deficient number, since it is larger than the sum of its proper divisors (7259145).

312141343 is an equidigital number, since it uses as much as digits as its factorization.

312141343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7259144.

The product of its digits is 864, while the sum is 22.

The square root of 312141343 is about 17667.5222654451. The cubic root of 312141343 is about 678.3446927985.

Adding to 312141343 its reverse (343141213), we get a palindrome (655282556).

The spelling of 312141343 in words is "three hundred twelve million, one hundred forty-one thousand, three hundred forty-three".