21343313314442 has 16 divisors (see below), whose sum is σ = 36637256884992. Its totient is φ = 9134954334000.

The previous prime is 21343313314429. The next prime is 21343313314511. The reversal of 21343313314442 is 24441331334312.

It is a junction number, because it is equal to n+sod(n) for n = 21343313314396 and 21343313314405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1014984413 + ... + 1015005440.

It is an arithmetic number, because the mean of its divisors is an integer number (2289828555312).

Almost surely, 2^{21343313314442} is an apocalyptic number.

21343313314442 is a deficient number, since it is larger than the sum of its proper divisors (15293943570550).

21343313314442 is a wasteful number, since it uses less digits than its factorization.

21343313314442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029990613.

The product of its digits is 248832, while the sum is 38.

Adding to 21343313314442 its reverse (24441331334312), we get a palindrome (45784644648754).

The spelling of 21343313314442 in words is "twenty-one trillion, three hundred forty-three billion, three hundred thirteen million, three hundred fourteen thousand, four hundred forty-two".