21301013243434 has 8 divisors (see below), whose sum is σ = 31953159892800. Its totient is φ = 10649959945836.

The previous prime is 21301013243431. The next prime is 21301013243441. The reversal of 21301013243434 is 43434231010312.

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

It is a super-2 number, since 2×21301013243434² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21301013243396 and 21301013243405.

It is not an unprimeable number, because it can be changed into a prime (21301013243431) 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, 273289234 + ... + 273367165.

It is an arithmetic number, because the mean of its divisors is an integer number (3994144986600).

Almost surely, 2^{21301013243434} is an apocalyptic number.

21301013243434 is a deficient number, since it is larger than the sum of its proper divisors (10652146649366).

21301013243434 is a wasteful number, since it uses less digits than its factorization.

21301013243434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546675884.

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

Adding to 21301013243434 its reverse (43434231010312), we get a palindrome (64735244253746).

The spelling of 21301013243434 in words is "twenty-one trillion, three hundred one billion, thirteen million, two hundred forty-three thousand, four hundred thirty-four".