312221340130311 has 12 divisors (see below), whose sum is σ = 456695068546080. Its totient is φ = 205512780844800.

The previous prime is 312221340130309. The next prime is 312221340130333. The reversal of 312221340130311 is 113031043122213.

312221340130311 is a `hidden beast` number, since 3 + 1 + 2 + 2 + 2 + 1 + 340 + 1 + 3 + 0 + 311 = 666.

It is not a de Polignac number, because 312221340130311 - 2¹ = 312221340130309 is a prime.

It is a super-3 number, since 3×312221340130311³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312221340138311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219564936090 + ... + 219564937511.

It is an arithmetic number, because the mean of its divisors is an integer number (38057922378840).

Almost surely, 2^{312221340130311} is an apocalyptic number.

312221340130311 is a deficient number, since it is larger than the sum of its proper divisors (144473728415769).

312221340130311 is a wasteful number, since it uses less digits than its factorization.

312221340130311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439129873686 (or 439129873683 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 312221340130311 its reverse (113031043122213), we get a palindrome (425252383252524).

The spelling of 312221340130311 in words is "three hundred twelve trillion, two hundred twenty-one billion, three hundred forty million, one hundred thirty thousand, three hundred eleven".