312112329 has 4 divisors (see below), whose sum is σ = 416149776. Its totient is φ = 208074884.

The previous prime is 312112327. The next prime is 312112337. The reversal of 312112329 is 923211213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 312112329 - 2¹ = 312112327 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 312112299 and 312112308.

It is not an unprimeable number, because it can be changed into a prime (312112327) 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, 52018719 + ... + 52018724.

It is an arithmetic number, because the mean of its divisors is an integer number (104037444).

Almost surely, 2^312112329 is an apocalyptic number.

It is an amenable number.

312112329 is a deficient number, since it is larger than the sum of its proper divisors (104037447).

312112329 is a wasteful number, since it uses less digits than its factorization.

312112329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104037446.

The product of its digits is 648, while the sum is 24.

The square root of 312112329 is about 17666.7011351865. The cubic root of 312112329 is about 678.3236744327.

The spelling of 312112329 in words is "three hundred twelve million, one hundred twelve thousand, three hundred twenty-nine".