21343141142 has 64 divisors (see below), whose sum is σ = 34957440000. Its totient is φ = 9740777472.

The previous prime is 21343141139. The next prime is 21343141177. The reversal of 21343141142 is 24114134312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36989558 + ... + 36990134.

It is an arithmetic number, because the mean of its divisors is an integer number (546210000).

Almost surely, 2^21343141142 is an apocalyptic number.

21343141142 is a deficient number, since it is larger than the sum of its proper divisors (13614298858).

21343141142 is a wasteful number, since it uses less digits than its factorization.

21343141142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933.

The product of its digits is 2304, while the sum is 26.

Adding to 21343141142 its reverse (24114134312), we get a palindrome (45457275454).

The spelling of 21343141142 in words is "twenty-one billion, three hundred forty-three million, one hundred forty-one thousand, one hundred forty-two".