311300001201222 has 96 divisors (see below), whose sum is σ = 774602624315520. Its totient is φ = 89359616914560.

The previous prime is 311300001201209. The next prime is 311300001201271. The reversal of 311300001201222 is 222102100003113.

311300001201222 is a `hidden beast` number, since 311 + 300 + 0 + 0 + 1 + 20 + 12 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 311300001201195 and 311300001201204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34162138 + ... + 42304274.

It is an arithmetic number, because the mean of its divisors is an integer number (8068777336620).

Almost surely, 2^{311300001201222} is an apocalyptic number.

311300001201222 is an abundant number, since it is smaller than the sum of its proper divisors (463302623114298).

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

311300001201222 is a wasteful number, since it uses less digits than its factorization.

311300001201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8152338 (or 8152335 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 311300001201222 its reverse (222102100003113), we get a palindrome (533402101204335).

The spelling of 311300001201222 in words is "three hundred eleven trillion, three hundred billion, one million, two hundred one thousand, two hundred twenty-two".