312144130340421 has 8 divisors (see below), whose sum is σ = 416318025682464. Its totient is φ = 208033160946000.

The previous prime is 312144130340401. The next prime is 312144130340429. The reversal of 312144130340421 is 124043031441213.

It is a happy number.

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

It is not a de Polignac number, because 312144130340421 - 2¹⁰ = 312144130339397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312144130340429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15731475330 + ... + 15731495171.

It is an arithmetic number, because the mean of its divisors is an integer number (52039753210308).

Almost surely, 2^{312144130340421} is an apocalyptic number.

It is an amenable number.

312144130340421 is a deficient number, since it is larger than the sum of its proper divisors (104173895342043).

312144130340421 is a wasteful number, since it uses less digits than its factorization.

312144130340421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31462973811.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 312144130340421 its reverse (124043031441213), we get a palindrome (436187161781634).

The spelling of 312144130340421 in words is "three hundred twelve trillion, one hundred forty-four billion, one hundred thirty million, three hundred forty thousand, four hundred twenty-one".