311212302301322 has 16 divisors (see below), whose sum is σ = 467603885005632. Its totient is φ = 155344371742560.

The previous prime is 311212302301321. The next prime is 311212302301387. The reversal of 311212302301322 is 223103203212113.

It is a junction number, because it is equal to n+sod(n) for n = 311212302301291 and 311212302301300.

It is not an unprimeable number, because it can be changed into a prime (311212302301321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12260033 + ... + 27798075.

It is an arithmetic number, because the mean of its divisors is an integer number (29225242812852).

Almost surely, 2^{311212302301322} is an apocalyptic number.

311212302301322 is a deficient number, since it is larger than the sum of its proper divisors (156391582704310).

311212302301322 is a wasteful number, since it uses less digits than its factorization.

311212302301322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15554893.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 311212302301322 its reverse (223103203212113), we get a palindrome (534315505513435).

The spelling of 311212302301322 in words is "three hundred eleven trillion, two hundred twelve billion, three hundred two million, three hundred one thousand, three hundred twenty-two".