21030442405341 has 16 divisors (see below), whose sum is σ = 29748366504000. Its totient is φ = 13169647186688.

The previous prime is 21030442405243. The next prime is 21030442405351. The reversal of 21030442405341 is 14350424403012.

It is a cyclic number.

It is not a de Polignac number, because 21030442405341 - 2²⁵ = 21030408850909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21030442405351) 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, 405044391 + ... + 405096308.

It is an arithmetic number, because the mean of its divisors is an integer number (1859272906500).

Almost surely, 2^{21030442405341} is an apocalyptic number.

It is an amenable number.

21030442405341 is a deficient number, since it is larger than the sum of its proper divisors (8717924098659).

21030442405341 is a wasteful number, since it uses less digits than its factorization.

21030442405341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810141228.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 21030442405341 its reverse (14350424403012), we get a palindrome (35380866808353).

The spelling of 21030442405341 in words is "twenty-one trillion, thirty billion, four hundred forty-two million, four hundred five thousand, three hundred forty-one".