312141434304221 has 8 divisors (see below), whose sum is σ = 312847312451520. Its totient is φ = 311435561878272.

The previous prime is 312141434304209. The next prime is 312141434304223. The reversal of 312141434304221 is 122403434141213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312141434304221 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 (312141434304223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119318525 + ... + 121906493.

It is an arithmetic number, because the mean of its divisors is an integer number (39105914056440).

Almost surely, 2^{312141434304221} is an apocalyptic number.

It is an amenable number.

312141434304221 is a deficient number, since it is larger than the sum of its proper divisors (705878147299).

312141434304221 is a wasteful number, since it uses less digits than its factorization.

312141434304221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860675.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 312141434304221 its reverse (122403434141213), we get a palindrome (434544868445434).

The spelling of 312141434304221 in words is "three hundred twelve trillion, one hundred forty-one billion, four hundred thirty-four million, three hundred four thousand, two hundred twenty-one".