311440321320022 has 16 divisors (see below), whose sum is σ = 474512919081552. Its totient is φ = 153287172383200.

The previous prime is 311440321319989. The next prime is 311440321320049. The reversal of 311440321320022 is 220023123044113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4455987508 + ... + 4456057399.

It is an arithmetic number, because the mean of its divisors is an integer number (29657057442597).

Almost surely, 2^{311440321320022} is an apocalyptic number.

311440321320022 is a deficient number, since it is larger than the sum of its proper divisors (163072597761530).

311440321320022 is a wasteful number, since it uses less digits than its factorization.

311440321320022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8912045183.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 311440321320022 its reverse (220023123044113), we get a palindrome (531463444364135).

The spelling of 311440321320022 in words is "three hundred eleven trillion, four hundred forty billion, three hundred twenty-one million, three hundred twenty thousand, twenty-two".