312010443034321 has 4 divisors (see below), whose sum is σ = 312066590321332. Its totient is φ = 311954295747312.

The previous prime is 312010443034307. The next prime is 312010443034349. The reversal of 312010443034321 is 123430344010213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 274774086368721 + 37236356665600 = 16576311^2 + 6102160^2 .

It is a cyclic number.

It is not a de Polignac number, because 312010443034321 - 2¹¹ = 312010443032273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312010443034351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28073635170 + ... + 28073646283.

It is an arithmetic number, because the mean of its divisors is an integer number (78016647580333).

Almost surely, 2^{312010443034321} is an apocalyptic number.

It is an amenable number.

312010443034321 is a deficient number, since it is larger than the sum of its proper divisors (56147287011).

312010443034321 is an equidigital number, since it uses as much as digits as its factorization.

312010443034321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56147287010.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 312010443034321 its reverse (123430344010213), we get a palindrome (435440787044534).

The spelling of 312010443034321 in words is "three hundred twelve trillion, ten billion, four hundred forty-three million, thirty-four thousand, three hundred twenty-one".