21340231114034 has 32 divisors (see below), whose sum is σ = 37916687170560. Its totient is φ = 8816990367168.

The previous prime is 21340231114031. The next prime is 21340231114057. The reversal of 21340231114034 is 43041113204312.

It is a junction number, because it is equal to n+sod(n) for n = 21340231113988 and 21340231114006.

It is not an unprimeable number, because it can be changed into a prime (21340231114031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188922242 + ... + 189035165.

It is an arithmetic number, because the mean of its divisors is an integer number (1184896474080).

Almost surely, 2^{21340231114034} is an apocalyptic number.

21340231114034 is a deficient number, since it is larger than the sum of its proper divisors (16576456056526).

21340231114034 is a wasteful number, since it uses less digits than its factorization.

21340231114034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377957562.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 21340231114034 its reverse (43041113204312), we get a palindrome (64381344318346).

The spelling of 21340231114034 in words is "twenty-one trillion, three hundred forty billion, two hundred thirty-one million, one hundred fourteen thousand, thirty-four".