311431310242322 has 8 divisors (see below), whose sum is σ = 467147074262400. Its totient is φ = 155715618821524.

The previous prime is 311431310242321. The next prime is 311431310242343. The reversal of 311431310242322 is 223242013134113.

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

It is not an unprimeable number, because it can be changed into a prime (311431310242321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5724122 + ... + 25605237.

It is an arithmetic number, because the mean of its divisors is an integer number (58393384282800).

Almost surely, 2^{311431310242322} is an apocalyptic number.

311431310242322 is a deficient number, since it is larger than the sum of its proper divisors (155715764020078).

311431310242322 is a wasteful number, since it uses less digits than its factorization.

311431310242322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36299640.

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

Adding to 311431310242322 its reverse (223242013134113), we get a palindrome (534673323376435).

The spelling of 311431310242322 in words is "three hundred eleven trillion, four hundred thirty-one billion, three hundred ten million, two hundred forty-two thousand, three hundred twenty-two".