340231143431321 has 12 divisors (see below), whose sum is σ = 363406785546672. Its totient is φ = 318440816525304.

The previous prime is 340231143431273. The next prime is 340231143431419. The reversal of 340231143431321 is 123134341132043.

It is a de Polignac number, because none of the positive numbers 2^k-340231143431321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340231143931321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5677491371 + ... + 5677551296.

It is an arithmetic number, because the mean of its divisors is an integer number (30283898795556).

Almost surely, 2^{340231143431321} is an apocalyptic number.

It is an amenable number.

340231143431321 is a deficient number, since it is larger than the sum of its proper divisors (23175642115351).

340231143431321 is a wasteful number, since it uses less digits than its factorization.

340231143431321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11355042788 (or 11355042769 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 340231143431321 its reverse (123134341132043), we get a palindrome (463365484563364).

The spelling of 340231143431321 in words is "three hundred forty trillion, two hundred thirty-one billion, one hundred forty-three million, four hundred thirty-one thousand, three hundred twenty-one".