312114213 has 6 divisors (see below), whose sum is σ = 450831654. Its totient is φ = 208076136.

The previous prime is 312114199. The next prime is 312114217. The reversal of 312114213 is 312411213.

312114213 is a `hidden beast` number, since 31 + 211 + 421 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 246552804 + 65561409 = 15702^2 + 8097^2 .

It is not a de Polignac number, because 312114213 - 2⁸ = 312113957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312114217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17339670 + ... + 17339687.

It is an arithmetic number, because the mean of its divisors is an integer number (75138609).

Almost surely, 2^312114213 is an apocalyptic number.

It is an amenable number.

312114213 is a deficient number, since it is larger than the sum of its proper divisors (138717441).

312114213 is a wasteful number, since it uses less digits than its factorization.

312114213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34679363 (or 34679360 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 312114213 is about 17666.7544557567. The cubic root of 312114213 is about 678.3250392824.

Adding to 312114213 its reverse (312411213), we get a palindrome (624525426).

The spelling of 312114213 in words is "three hundred twelve million, one hundred fourteen thousand, two hundred thirteen".