312223102321 has 8 divisors (see below), whose sum is σ = 353937120320. Its totient is φ = 273037206672.

The previous prime is 312223102319. The next prime is 312223102361. The reversal of 312223102321 is 123201322213.

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 312223102321 - 2¹ = 312223102319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312223102292 and 312223102301.

It is not an unprimeable number, because it can be changed into a prime (312223102361) 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, 632030325 + ... + 632030818.

It is an arithmetic number, because the mean of its divisors is an integer number (44242140040).

Almost surely, 2^312223102321 is an apocalyptic number.

It is an amenable number.

312223102321 is a deficient number, since it is larger than the sum of its proper divisors (41714017999).

312223102321 is a wasteful number, since it uses less digits than its factorization.

312223102321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264061175.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 312223102321 its reverse (123201322213), we get a palindrome (435424424534).

The spelling of 312223102321 in words is "three hundred twelve billion, two hundred twenty-three million, one hundred two thousand, three hundred twenty-one".