312234213 has 32 divisors (see below), whose sum is σ = 440519040. Its totient is φ = 196439040.

The previous prime is 312234103. The next prime is 312234217. The reversal of 312234213 is 312432213.

It is not a de Polignac number, because 312234213 - 2²² = 308039909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312234213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312234217) 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 31 ways as a sum of consecutive naturals, for example, 1339945 + ... + 1340177.

It is an arithmetic number, because the mean of its divisors is an integer number (13766220).

Almost surely, 2^312234213 is an apocalyptic number.

It is an amenable number.

312234213 is a deficient number, since it is larger than the sum of its proper divisors (128284827).

312234213 is a wasteful number, since it uses less digits than its factorization.

312234213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549.

The product of its digits is 864, while the sum is 21.

The square root of 312234213 is about 17670.1503389190. The cubic root of 312234213 is about 678.4119610689.

Adding to 312234213 its reverse (312432213), we get a palindrome (624666426).

The spelling of 312234213 in words is "three hundred twelve million, two hundred thirty-four thousand, two hundred thirteen".