311431003000422 has 8 divisors (see below), whose sum is σ = 622862006000856. Its totient is φ = 103810334333472.

The previous prime is 311431003000363. The next prime is 311431003000489. The reversal of 311431003000422 is 224000300134113.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

311431003000422 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 311431003000392 and 311431003000401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25952583583363 + ... + 25952583583374.

It is an arithmetic number, because the mean of its divisors is an integer number (77857750750107).

Almost surely, 2^{311431003000422} is an apocalyptic number.

311431003000422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

311431003000422 is a wasteful number, since it uses less digits than its factorization.

311431003000422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51905167166742.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 311431003000422 its reverse (224000300134113), we get a palindrome (535431303134535).

The spelling of 311431003000422 in words is "three hundred eleven trillion, four hundred thirty-one billion, three million, four hundred twenty-two", and thus it is an aban number.