311021433422230 has 16 divisors (see below), whose sum is σ = 566583623295984. Its totient is φ = 122909674894240.

The previous prime is 311021433422191. The next prime is 311021433422281. The reversal of 311021433422230 is 32224334120113.

It is a junction number, because it is equal to n+sod(n) for n = 311021433422192 and 311021433422201.

It is a congruent number.

It is an unprimeable number.

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, 187362308461 + ... + 187362310120.

It is an arithmetic number, because the mean of its divisors is an integer number (35411476455999).

Almost surely, 2^{311021433422230} is an apocalyptic number.

311021433422230 is a deficient number, since it is larger than the sum of its proper divisors (255562189873754).

311021433422230 is a wasteful number, since it uses less digits than its factorization.

311021433422230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374724618671.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 311021433422230 its reverse (32224334120113), we get a palindrome (343245767542343).

The spelling of 311021433422230 in words is "three hundred eleven trillion, twenty-one billion, four hundred thirty-three million, four hundred twenty-two thousand, two hundred thirty".