312110321 has 8 divisors (see below), whose sum is σ = 333442080. Its totient is φ = 291269088.

The previous prime is 312110311. The next prime is 312110341. The reversal of 312110321 is 123011213.

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

It is not a de Polignac number, because 312110321 - 2¹⁴ = 312093937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312110296 and 312110305.

It is not an unprimeable number, because it can be changed into a prime (312110311) 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, 121316 + ... + 123861.

It is an arithmetic number, because the mean of its divisors is an integer number (41680260).

Almost surely, 2^312110321 is an apocalyptic number.

It is an amenable number.

312110321 is a deficient number, since it is larger than the sum of its proper divisors (21331759).

312110321 is a wasteful number, since it uses less digits than its factorization.

312110321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245263.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 312110321 is about 17666.6443050173. The cubic root of 312110321 is about 678.3222197461.

Adding to 312110321 its reverse (123011213), we get a palindrome (435121534).

The spelling of 312110321 in words is "three hundred twelve million, one hundred ten thousand, three hundred twenty-one".