311340321324212 has 12 divisors (see below), whose sum is σ = 544870013649696. Its totient is φ = 155663174567160.

The previous prime is 311340321324199. The next prime is 311340321324233. The reversal of 311340321324212 is 212423123043113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1746423464 + ... + 1746601727.

It is an arithmetic number, because the mean of its divisors is an integer number (45405834470808).

Almost surely, 2^{311340321324212} is an apocalyptic number.

It is an amenable number.

311340321324212 is a deficient number, since it is larger than the sum of its proper divisors (233529692325484).

311340321324212 is a wasteful number, since it uses less digits than its factorization.

311340321324212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3493047478 (or 3493047476 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 311340321324212 its reverse (212423123043113), we get a palindrome (523763444367325).

The spelling of 311340321324212 in words is "three hundred eleven trillion, three hundred forty billion, three hundred twenty-one million, three hundred twenty-four thousand, two hundred twelve".