21343141304 has 32 divisors (see below), whose sum is σ = 40712855040. Its totient is φ = 10487349600.

The previous prime is 21343141301. The next prime is 21343141321. The reversal of 21343141304 is 40314134312.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21343141301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116237 + ... + 237059.

It is an arithmetic number, because the mean of its divisors is an integer number (1272276720).

Almost surely, 2^21343141304 is an apocalyptic number.

It is an amenable number.

21343141304 is a deficient number, since it is larger than the sum of its proper divisors (19369713736).

21343141304 is a wasteful number, since it uses less digits than its factorization.

21343141304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121211 (or 121207 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 21343141304 its reverse (40314134312), we get a palindrome (61657275616).

The spelling of 21343141304 in words is "twenty-one billion, three hundred forty-three million, one hundred forty-one thousand, three hundred four".