311431310304422 has 64 divisors (see below), whose sum is σ = 596512836476928. Its totient is φ = 118424213232000.

The previous prime is 311431310304343. The next prime is 311431310304479. The reversal of 311431310304422 is 224403013134113.

It is a super-2 number, since 2×311431310304422² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98326529 + ... + 101444412.

It is an arithmetic number, because the mean of its divisors is an integer number (9320513069952).

Almost surely, 2^{311431310304422} is an apocalyptic number.

311431310304422 is a deficient number, since it is larger than the sum of its proper divisors (285081526172506).

311431310304422 is a wasteful number, since it uses less digits than its factorization.

311431310304422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199771205.

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

Adding to 311431310304422 its reverse (224403013134113), we get a palindrome (535834323438535).

The spelling of 311431310304422 in words is "three hundred eleven trillion, four hundred thirty-one billion, three hundred ten million, three hundred four thousand, four hundred twenty-two".