311222122130030 has 8 divisors (see below), whose sum is σ = 560199819834072. Its totient is φ = 124488848852008.

The previous prime is 311222122129999. The next prime is 311222122130039. The reversal of 311222122130030 is 30031221222113.

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

It is a junction number, because it is equal to n+sod(n) for n = 311222122129978 and 311222122130005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311222122130039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15561106106492 + ... + 15561106106511.

It is an arithmetic number, because the mean of its divisors is an integer number (70024977479259).

Almost surely, 2^{311222122130030} is an apocalyptic number.

311222122130030 is a deficient number, since it is larger than the sum of its proper divisors (248977697704042).

311222122130030 is a wasteful number, since it uses less digits than its factorization.

311222122130030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31122212213010.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 311222122130030 its reverse (30031221222113), we get a palindrome (341253343352143).

The spelling of 311222122130030 in words is "three hundred eleven trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred thirty thousand, thirty".