312330311211 has 8 divisors (see below), whose sum is σ = 416475203904. Its totient is φ = 208202813000.

The previous prime is 312330311173. The next prime is 312330311221. The reversal of 312330311211 is 112113033213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312330311211 - 2¹¹ = 312330309163 is a prime.

It is a super-2 number, since 2×312330311211² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312330311221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4306665 + ... + 4378586.

It is an arithmetic number, because the mean of its divisors is an integer number (52059400488).

Almost surely, 2^312330311211 is an apocalyptic number.

312330311211 is a deficient number, since it is larger than the sum of its proper divisors (104144892693).

312330311211 is a wasteful number, since it uses less digits than its factorization.

312330311211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8697241.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 312330311211 its reverse (112113033213), we get a palindrome (424443344424).

The spelling of 312330311211 in words is "three hundred twelve billion, three hundred thirty million, three hundred eleven thousand, two hundred eleven".