312002311441321 has 8 divisors (see below), whose sum is σ = 320670216835200. Its totient is φ = 303418970978448.

The previous prime is 312002311441313. The next prime is 312002311441357. The reversal of 312002311441321 is 123144113200213.

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 312002311441321 - 2³ = 312002311441313 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 312002311441321.

It is not an unprimeable number, because it can be changed into a prime (312002311441621) 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, 21141225271 + ... + 21141240028.

It is an arithmetic number, because the mean of its divisors is an integer number (40083777104400).

Almost surely, 2^{312002311441321} is an apocalyptic number.

It is an amenable number.

312002311441321 is a deficient number, since it is larger than the sum of its proper divisors (8667905393879).

312002311441321 is a wasteful number, since it uses less digits than its factorization.

312002311441321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42282465503.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 312002311441321 its reverse (123144113200213), we get a palindrome (435146424641534).

The spelling of 312002311441321 in words is "three hundred twelve trillion, two billion, three hundred eleven million, four hundred forty-one thousand, three hundred twenty-one".