43321013133142 has 4 divisors (see below), whose sum is σ = 64981519699716. Its totient is φ = 21660506566570.

The previous prime is 43321013133023. The next prime is 43321013133163. The reversal of 43321013133142 is 24133131012334.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10830253283284 + ... + 10830253283287.

It is an arithmetic number, because the mean of its divisors is an integer number (16245379924929).

Almost surely, 2^{43321013133142} is an apocalyptic number.

43321013133142 is a deficient number, since it is larger than the sum of its proper divisors (21660506566574).

43321013133142 is a wasteful number, since it uses less digits than its factorization.

43321013133142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21660506566573.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 43321013133142 its reverse (24133131012334), we get a palindrome (67454144145476).

The spelling of 43321013133142 in words is "forty-three trillion, three hundred twenty-one billion, thirteen million, one hundred thirty-three thousand, one hundred forty-two".