311440304341022 has 16 divisors (see below), whose sum is σ = 467359524998352. Its totient is φ = 155653798829760.

The previous prime is 311440304341003. The next prime is 311440304341027. The reversal of 311440304341022 is 220143403044113.

It is a self number, because there is not a number n which added to its sum of digits gives 311440304341022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311440304341027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227960897 + ... + 229323027.

It is an arithmetic number, because the mean of its divisors is an integer number (29209970312397).

Almost surely, 2^{311440304341022} is an apocalyptic number.

311440304341022 is a deficient number, since it is larger than the sum of its proper divisors (155919220657330).

311440304341022 is a wasteful number, since it uses less digits than its factorization.

311440304341022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410763.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 311440304341022 its reverse (220143403044113), we get a palindrome (531583707385135).

The spelling of 311440304341022 in words is "three hundred eleven trillion, four hundred forty billion, three hundred four million, three hundred forty-one thousand, twenty-two".