312414143 has 4 divisors (see below), whose sum is σ = 314404200. Its totient is φ = 310424088.

The previous prime is 312414139. The next prime is 312414149. The reversal of 312414143 is 341414213.

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 312414143 - 2² = 312414139 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 (312414149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 994793 + ... + 995106.

It is an arithmetic number, because the mean of its divisors is an integer number (78601050).

Almost surely, 2^312414143 is an apocalyptic number.

312414143 is a deficient number, since it is larger than the sum of its proper divisors (1990057).

312414143 is a wasteful number, since it uses less digits than its factorization.

312414143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990056.

The product of its digits is 1152, while the sum is 23.

The square root of 312414143 is about 17675.2409601680. The cubic root of 312414143 is about 678.5422513222.

Adding to 312414143 its reverse (341414213), we get a palindrome (653828356).

The spelling of 312414143 in words is "three hundred twelve million, four hundred fourteen thousand, one hundred forty-three".