311440304311322 has 32 divisors (see below), whose sum is σ = 502788963446784. Its totient is φ = 144146157408000.

The previous prime is 311440304311277. The next prime is 311440304311333. The reversal of 311440304311322 is 223113403044113.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20435447 + ... + 32256597.

It is an arithmetic number, because the mean of its divisors is an integer number (15712155107712).

Almost surely, 2^{311440304311322} is an apocalyptic number.

311440304311322 is a deficient number, since it is larger than the sum of its proper divisors (191348659135462).

311440304311322 is a wasteful number, since it uses less digits than its factorization.

311440304311322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11833934.

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

Adding to 311440304311322 its reverse (223113403044113), we get a palindrome (534553707355435).

The spelling of 311440304311322 in words is "three hundred eleven trillion, four hundred forty billion, three hundred four million, three hundred eleven thousand, three hundred twenty-two".