340503388871 has 4 divisors (see below), whose sum is σ = 340517953152. Its totient is φ = 340488824592.

The previous prime is 340503388837. The next prime is 340503388913. The reversal of 340503388871 is 178883305043.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 178883305043 = 577 ⋅310023059.

It is a cyclic number.

It is not a de Polignac number, because 340503388871 - 2¹⁸ = 340503126727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340503388801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7247015 + ... + 7293848.

It is an arithmetic number, because the mean of its divisors is an integer number (85129488288).

Almost surely, 2^340503388871 is an apocalyptic number.

340503388871 is a deficient number, since it is larger than the sum of its proper divisors (14564281).

340503388871 is a wasteful number, since it uses less digits than its factorization.

340503388871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14564280.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 340503388871 in words is "three hundred forty billion, five hundred three million, three hundred eighty-eight thousand, eight hundred seventy-one".