340034131321343 has 4 divisors (see below), whose sum is σ = 340034451645408. Its totient is φ = 340033810997280.

The previous prime is 340034131321331. The next prime is 340034131321397. The reversal of 340034131321343 is 343123131430043.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 340034131321343 - 2⁶ = 340034131321279 is a prime.

It is a super-4 number, since 4×340034131321343⁴ (a number of 59 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340034131621343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158564423 + ... + 160694568.

It is an arithmetic number, because the mean of its divisors is an integer number (85008612911352).

Almost surely, 2^{340034131321343} is an apocalyptic number.

340034131321343 is a deficient number, since it is larger than the sum of its proper divisors (320324065).

340034131321343 is a wasteful number, since it uses less digits than its factorization.

340034131321343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320324064.

The product of its (nonzero) digits is 93312, while the sum is 35.

Adding to 340034131321343 its reverse (343123131430043), we get a palindrome (683157262751386).

The spelling of 340034131321343 in words is "three hundred forty trillion, thirty-four billion, one hundred thirty-one million, three hundred twenty-one thousand, three hundred forty-three".