311440304323422 has 24 divisors (see below), whose sum is σ = 674792965248480. Its totient is φ = 103812567203040.

The previous prime is 311440304323403. The next prime is 311440304323451. The reversal of 311440304323422 is 224323403044113.

311440304323422 is a `hidden beast` number, since 3 + 1 + 1 + 4 + 4 + 0 + 304 + 3 + 2 + 342 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70082079 + ... + 74393402.

It is an arithmetic number, because the mean of its divisors is an integer number (28116373552020).

Almost surely, 2^{311440304323422} is an apocalyptic number.

311440304323422 is an abundant number, since it is smaller than the sum of its proper divisors (363352660925058).

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

311440304323422 is a wasteful number, since it uses less digits than its factorization.

311440304323422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144595248 (or 144595245 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 311440304323422 its reverse (224323403044113), we get a palindrome (535763707367535).

The spelling of 311440304323422 in words is "three hundred eleven trillion, four hundred forty billion, three hundred four million, three hundred twenty-three thousand, four hundred twenty-two".