21230340313413 has 16 divisors (see below), whose sum is σ = 35291994287616. Its totient is φ = 11028748214640.

The previous prime is 21230340313381. The next prime is 21230340313447. The reversal of 21230340313413 is 31431304303212.

It is not a de Polignac number, because 21230340313413 - 2⁵ = 21230340313381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21230340313463) 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, 45953117331 + ... + 45953117792.

It is an arithmetic number, because the mean of its divisors is an integer number (2205749642976).

Almost surely, 2^{21230340313413} is an apocalyptic number.

It is an amenable number.

21230340313413 is a deficient number, since it is larger than the sum of its proper divisors (14061653974203).

21230340313413 is a wasteful number, since it uses less digits than its factorization.

21230340313413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91906235144.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 21230340313413 its reverse (31431304303212), we get a palindrome (52661644616625).

The spelling of 21230340313413 in words is "twenty-one trillion, two hundred thirty billion, three hundred forty million, three hundred thirteen thousand, four hundred thirteen".