312311314211 has 16 divisors (see below), whose sum is σ = 338109408000. Its totient is φ = 286767394848.

The previous prime is 312311314103. The next prime is 312311314297. The reversal of 312311314211 is 112413113213.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312311314211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312311314411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12371360 + ... + 12396578.

It is an arithmetic number, because the mean of its divisors is an integer number (21131838000).

Almost surely, 2^312311314211 is an apocalyptic number.

312311314211 is a deficient number, since it is larger than the sum of its proper divisors (25798093789).

312311314211 is a wasteful number, since it uses less digits than its factorization.

312311314211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30218.

The product of its digits is 432, while the sum is 23.

Adding to 312311314211 its reverse (112413113213), we get a palindrome (424724427424).

The spelling of 312311314211 in words is "three hundred twelve billion, three hundred eleven million, three hundred fourteen thousand, two hundred eleven".