311321322332230 has 16 divisors (see below), whose sum is σ = 640432434512160. Its totient is φ = 106738739085312.

The previous prime is 311321322332221. The next prime is 311321322332249. The reversal of 311321322332230 is 32233223123113.

It is a junction number, because it is equal to n+sod(n) for n = 311321322332192 and 311321322332201.

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, 2223723730875 + ... + 2223723731014.

It is an arithmetic number, because the mean of its divisors is an integer number (40027027157010).

Almost surely, 2^{311321322332230} is an apocalyptic number.

311321322332230 is an abundant number, since it is smaller than the sum of its proper divisors (329111112179930).

311321322332230 is a wasteful number, since it uses less digits than its factorization.

311321322332230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4447447461903.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 311321322332230 its reverse (32233223123113), we get a palindrome (343554545455343).

The spelling of 311321322332230 in words is "three hundred eleven trillion, three hundred twenty-one billion, three hundred twenty-two million, three hundred thirty-two thousand, two hundred thirty".