21312442033414 has 8 divisors (see below), whose sum is σ = 36535614914448. Its totient is φ = 9133903728600.

The previous prime is 21312442033327. The next prime is 21312442033423. The reversal of 21312442033414 is 41433024421312.

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

It is a self number, because there is not a number n which added to its sum of digits gives 21312442033414.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761158644037 + ... + 761158644064.

It is an arithmetic number, because the mean of its divisors is an integer number (4566951864306).

Almost surely, 2^{21312442033414} is an apocalyptic number.

21312442033414 is a deficient number, since it is larger than the sum of its proper divisors (15223172881034).

21312442033414 is a wasteful number, since it uses less digits than its factorization.

21312442033414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522317288110.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 21312442033414 its reverse (41433024421312), we get a palindrome (62745466454726).

The spelling of 21312442033414 in words is "twenty-one trillion, three hundred twelve billion, four hundred forty-two million, thirty-three thousand, four hundred fourteen".