311243252454312 has 16 divisors (see below), whose sum is σ = 778108131135840. Its totient is φ = 103747750818096.

The previous prime is 311243252454247. The next prime is 311243252454319. The reversal of 311243252454312 is 213454252342113.

It is not an unprimeable number, because it can be changed into a prime (311243252454319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6484234426108 + ... + 6484234426155.

It is an arithmetic number, because the mean of its divisors is an integer number (48631758195990).

Almost surely, 2^{311243252454312} is an apocalyptic number.

It is an amenable number.

311243252454312 is an abundant number, since it is smaller than the sum of its proper divisors (466864878681528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311243252454312 is a wasteful number, since it uses less digits than its factorization.

311243252454312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12968468852272 (or 12968468852268 counting only the distinct ones).

The product of its digits is 691200, while the sum is 42.

The spelling of 311243252454312 in words is "three hundred eleven trillion, two hundred forty-three billion, two hundred fifty-two million, four hundred fifty-four thousand, three hundred twelve".