21342012314 has 32 divisors (see below), whose sum is σ = 38526537600. Its totient is φ = 8661885120.

The previous prime is 21342012287. The next prime is 21342012319. The reversal of 21342012314 is 41321024312.

It is a super-2 number, since 2×21342012314² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21342012314.

It is not an unprimeable number, because it can be changed into a prime (21342012319) 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, 760004 + ... + 787584.

It is an arithmetic number, because the mean of its divisors is an integer number (1203954300).

Almost surely, 2^21342012314 is an apocalyptic number.

21342012314 is a deficient number, since it is larger than the sum of its proper divisors (17184525286).

21342012314 is a wasteful number, since it uses less digits than its factorization.

21342012314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30518.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21342012314 its reverse (41321024312), we get a palindrome (62663036626).

The spelling of 21342012314 in words is "twenty-one billion, three hundred forty-two million, twelve thousand, three hundred fourteen".