21313122110030 has 32 divisors (see below), whose sum is σ = 38536711815168. Its totient is φ = 8486786052000.

The previous prime is 21313122109973. The next prime is 21313122110041. The reversal of 21313122110030 is 3001122131312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21313122109984 and 21313122110011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97366205 + ... + 97584855.

It is an arithmetic number, because the mean of its divisors is an integer number (1204272244224).

Almost surely, 2^{21313122110030} is an apocalyptic number.

21313122110030 is a deficient number, since it is larger than the sum of its proper divisors (17223589705138).

21313122110030 is a wasteful number, since it uses less digits than its factorization.

21313122110030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262592.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 21313122110030 its reverse (3001122131312), we get a palindrome (24314244241342).

The spelling of 21313122110030 in words is "twenty-one trillion, three hundred thirteen billion, one hundred twenty-two million, one hundred ten thousand, thirty".