312142223301443 has 8 divisors (see below), whose sum is σ = 329056094856720. Its totient is φ = 295276885094880.

The previous prime is 312142223301413. The next prime is 312142223301509. The reversal of 312142223301443 is 344103322241213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312142223301443 - 2²⁸ = 312141954865987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312142223301413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12133323968 + ... + 12133349693.

It is an arithmetic number, because the mean of its divisors is an integer number (41132011857090).

Almost surely, 2^{312142223301443} is an apocalyptic number.

312142223301443 is a deficient number, since it is larger than the sum of its proper divisors (16913871555277).

312142223301443 is a wasteful number, since it uses less digits than its factorization.

312142223301443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24266674357.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 312142223301443 its reverse (344103322241213), we get a palindrome (656245545542656).

The spelling of 312142223301443 in words is "three hundred twelve trillion, one hundred forty-two billion, two hundred twenty-three million, three hundred one thousand, four hundred forty-three".