311431032022223 has 8 divisors (see below), whose sum is σ = 313270312930896. Its totient is φ = 309592200556800.

The previous prime is 311431032022219. The next prime is 311431032022237. The reversal of 311431032022223 is 322220230134113.

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

It is a cyclic number.

It is not a de Polignac number, because 311431032022223 - 2² = 311431032022219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311431032042223) 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 7 ways as a sum of consecutive naturals, for example, 110970818 + ... + 113742623.

It is an arithmetic number, because the mean of its divisors is an integer number (39158789116362).

Almost surely, 2^{311431032022223} is an apocalyptic number.

311431032022223 is a deficient number, since it is larger than the sum of its proper divisors (1839280908673).

311431032022223 is a wasteful number, since it uses less digits than its factorization.

311431032022223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224721625.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 311431032022223 its reverse (322220230134113), we get a palindrome (633651262156336).

The spelling of 311431032022223 in words is "three hundred eleven trillion, four hundred thirty-one billion, thirty-two million, twenty-two thousand, two hundred twenty-three".