140043431111321 has 8 divisors (see below), whose sum is σ = 146465151296640. Its totient is φ = 133649450538912.

The previous prime is 140043431111179. The next prime is 140043431111327. The reversal of 140043431111321 is 123111134340041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140043431111321 is a prime.

It is a super-2 number, since 2×140043431111321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140043431111327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6934892900 + ... + 6934913093.

It is an arithmetic number, because the mean of its divisors is an integer number (18308143912080).

Almost surely, 2^{140043431111321} is an apocalyptic number.

It is an amenable number.

140043431111321 is a deficient number, since it is larger than the sum of its proper divisors (6421720185319).

140043431111321 is a wasteful number, since it uses less digits than its factorization.

140043431111321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13869806455.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 140043431111321 its reverse (123111134340041), we get a palindrome (263154565451362).

The spelling of 140043431111321 in words is "one hundred forty trillion, forty-three billion, four hundred thirty-one million, one hundred eleven thousand, three hundred twenty-one".