311440040122344 has 64 divisors (see below), whose sum is σ = 889982558576640. Its totient is φ = 88967481355200.

The previous prime is 311440040122333. The next prime is 311440040122373. The reversal of 311440040122344 is 443221040044113.

It is a happy number.

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, 159309432 + ... + 161252519.

It is an arithmetic number, because the mean of its divisors is an integer number (13905977477760).

Almost surely, 2^{311440040122344} is an apocalyptic number.

It is an amenable number.

311440040122344 is an abundant number, since it is smaller than the sum of its proper divisors (578542518454296).

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

311440040122344 is a wasteful number, since it uses less digits than its factorization.

311440040122344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320567750 (or 320567746 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 311440040122344 its reverse (443221040044113), we get a palindrome (754661080166457).

The spelling of 311440040122344 in words is "three hundred eleven trillion, four hundred forty billion, forty million, one hundred twenty-two thousand, three hundred forty-four".