312011222103311 has 8 divisors (see below), whose sum is σ = 312288396153984. Its totient is φ = 311734106848600.

The previous prime is 312011222103233. The next prime is 312011222103331. The reversal of 312011222103311 is 113301222110213.

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 312011222103311 - 2²⁶ = 312011154994447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312011222103331) 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, 4077515 + ... + 25311036.

It is an arithmetic number, because the mean of its divisors is an integer number (39036049519248).

Almost surely, 2^{312011222103311} is an apocalyptic number.

312011222103311 is a deficient number, since it is larger than the sum of its proper divisors (277174050673).

312011222103311 is a wasteful number, since it uses less digits than its factorization.

312011222103311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29397981.

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

Adding to 312011222103311 its reverse (113301222110213), we get a palindrome (425312444213524).

The spelling of 312011222103311 in words is "three hundred twelve trillion, eleven billion, two hundred twenty-two million, one hundred three thousand, three hundred eleven".