311322302223 has 8 divisors (see below), whose sum is σ = 415099154736. Its totient is φ = 207546825600.

The previous prime is 311322302197. The next prime is 311322302231. The reversal of 311322302223 is 322203223113.

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

It is not a de Polignac number, because 311322302223 - 2⁵ = 311322302191 is a prime.

It is a super-6 number, since 6×311322302223⁶ (a number of 70 digits) contains 666666 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 311322302193 and 311322302202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311322302293) 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, 437863 + ... + 902423.

It is an arithmetic number, because the mean of its divisors is an integer number (51887394342).

Almost surely, 2^311322302223 is an apocalyptic number.

311322302223 is a deficient number, since it is larger than the sum of its proper divisors (103776852513).

311322302223 is a wasteful number, since it uses less digits than its factorization.

311322302223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687945.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 311322302223 its reverse (322203223113), we get a palindrome (633525525336).

The spelling of 311322302223 in words is "three hundred eleven billion, three hundred twenty-two million, three hundred two thousand, two hundred twenty-three".