312223110219 has 20 divisors (see below), whose sum is σ = 493843091544. Its totient is φ = 195904695744.

The previous prime is 312223110217. The next prime is 312223110233. The reversal of 312223110219 is 912011322213.

312223110219 is a `hidden beast` number, since 312 + 2 + 23 + 110 + 219 = 666.

It is not a de Polignac number, because 312223110219 - 2¹ = 312223110217 is a prime.

It is a super-2 number, since 2×312223110219² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 312223110192 and 312223110201.

It is not an unprimeable number, because it can be changed into a prime (312223110217) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 113369397 + ... + 113372150.

Almost surely, 2^312223110219 is an apocalyptic number.

312223110219 is a deficient number, since it is larger than the sum of its proper divisors (181619981325).

312223110219 is a wasteful number, since it uses less digits than its factorization.

312223110219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226741576 (or 226741567 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 312223110219 in words is "three hundred twelve billion, two hundred twenty-three million, one hundred ten thousand, two hundred nineteen".