312211343112214 has 16 divisors (see below), whose sum is σ = 576390171899808. Its totient is φ = 123512179692672.

The previous prime is 312211343112157. The next prime is 312211343112247. The reversal of 312211343112214 is 412211343112213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 857723469907 + ... + 857723470270.

It is an arithmetic number, because the mean of its divisors is an integer number (36024385743738).

Almost surely, 2^{312211343112214} is an apocalyptic number.

312211343112214 is a deficient number, since it is larger than the sum of its proper divisors (264178828787594).

312211343112214 is a wasteful number, since it uses less digits than its factorization.

312211343112214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715446940199.

The product of its digits is 6912, while the sum is 31.

Adding to 312211343112214 its reverse (412211343112213), we get a palindrome (724422686224427).

Subtracting 312211343112214 from its reverse (412211343112213), we obtain a palindrome (99999999999999).

The spelling of 312211343112214 in words is "three hundred twelve trillion, two hundred eleven billion, three hundred forty-three million, one hundred twelve thousand, two hundred fourteen".