311440310121322 has 8 divisors (see below), whose sum is σ = 467889264661572. Its totient is φ = 155477221900800.

The previous prime is 311440310121313. The next prime is 311440310121341. The reversal of 311440310121322 is 223121013044113.

It can be written as a sum of positive squares in 2 ways, for example, as 308501859336841 + 2938450784481 = 17564221^2 + 1714191^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 121466578329 + ... + 121466580892.

Almost surely, 2^{311440310121322} is an apocalyptic number.

311440310121322 is a deficient number, since it is larger than the sum of its proper divisors (156448954540250).

311440310121322 is a wasteful number, since it uses less digits than its factorization.

311440310121322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242933159864.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 311440310121322 its reverse (223121013044113), we get a palindrome (534561323165435).

The spelling of 311440310121322 in words is "three hundred eleven trillion, four hundred forty billion, three hundred ten million, one hundred twenty-one thousand, three hundred twenty-two".