312110121 has 8 divisors (see below), whose sum is σ = 416230720. Its totient is φ = 208031472.

The previous prime is 312110111. The next prime is 312110153. The reversal of 312110121 is 121011213.

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

It is not a de Polignac number, because 312110121 - 2¹⁷ = 311979049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312110097 and 312110106.

It is not an unprimeable number, because it can be changed into a prime (312110101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17700 + ... + 30618.

It is an arithmetic number, because the mean of its divisors is an integer number (52028840).

Almost surely, 2^312110121 is an apocalyptic number.

It is an amenable number.

312110121 is a deficient number, since it is larger than the sum of its proper divisors (104120599).

312110121 is a wasteful number, since it uses less digits than its factorization.

312110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20975.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 312110121 is about 17666.6386446319. The cubic root of 312110121 is about 678.3220748567.

Adding to 312110121 its reverse (121011213), we get a palindrome (433121334).

The spelling of 312110121 in words is "three hundred twelve million, one hundred ten thousand, one hundred twenty-one".