311120321211291 has 8 divisors (see below), whose sum is σ = 415072119819280. Its totient is φ = 207291035038752.

The previous prime is 311120321211289. The next prime is 311120321211313. The reversal of 311120321211291 is 192112123021113.

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

It is not a de Polignac number, because 311120321211291 - 2¹ = 311120321211289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311120321219291) 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, 30628102936 + ... + 30628113093.

It is an arithmetic number, because the mean of its divisors is an integer number (51884014977410).

Almost surely, 2^{311120321211291} is an apocalyptic number.

311120321211291 is a deficient number, since it is larger than the sum of its proper divisors (103951798607989).

311120321211291 is a wasteful number, since it uses less digits than its factorization.

311120321211291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61256217725.

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 311120321211291 in words is "three hundred eleven trillion, one hundred twenty billion, three hundred twenty-one million, two hundred eleven thousand, two hundred ninety-one".