311223122230 has 16 divisors (see below), whose sum is σ = 560322358704. Its totient is φ = 124462418080.

The previous prime is 311223122167. The next prime is 311223122281. The reversal of 311223122230 is 32221322113.

It is a super-5 number, since 5×311223122230⁵ (a number of 59 digits) contains 55555 as substring. Note that it is a super-d number also for d = 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3305101 + ... + 3397960.

It is an arithmetic number, because the mean of its divisors is an integer number (35020147419).

Almost surely, 2^311223122230 is an apocalyptic number.

311223122230 is a deficient number, since it is larger than the sum of its proper divisors (249099236474).

311223122230 is a wasteful number, since it uses less digits than its factorization.

311223122230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6707711.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 311223122230 its reverse (32221322113), we get a palindrome (343444444343).

The spelling of 311223122230 in words is "three hundred eleven billion, two hundred twenty-three million, one hundred twenty-two thousand, two hundred thirty".