312100320301021 has 8 divisors (see below), whose sum is σ = 356686325496000. Its totient is φ = 267514376394048.

The previous prime is 312100320301013. The next prime is 312100320301039. The reversal of 312100320301021 is 120103023001213.

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

It is not a de Polignac number, because 312100320301021 - 2³ = 312100320301013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312100320301021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312100320301051) 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, 3835756 + ... + 25276741.

It is an arithmetic number, because the mean of its divisors is an integer number (44585790687000).

Almost surely, 2^{312100320301021} is an apocalyptic number.

It is an amenable number.

312100320301021 is a deficient number, since it is larger than the sum of its proper divisors (44586005194979).

312100320301021 is a wasteful number, since it uses less digits than its factorization.

312100320301021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30644003.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 312100320301021 its reverse (120103023001213), we get a palindrome (432203343302234).

The spelling of 312100320301021 in words is "three hundred twelve trillion, one hundred billion, three hundred twenty million, three hundred one thousand, twenty-one".