340013303304403 has 4 divisors (see below), whose sum is σ = 340014380930848. Its totient is φ = 340012225677960.

The previous prime is 340013303304379. The next prime is 340013303304413. The reversal of 340013303304403 is 304403303310043.

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 340013303304403 - 2¹⁷ = 340013303173331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340013303304413) 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, 538339803 + ... + 538971028.

It is an arithmetic number, because the mean of its divisors is an integer number (85003595232712).

Almost surely, 2^{340013303304403} is an apocalyptic number.

340013303304403 is a deficient number, since it is larger than the sum of its proper divisors (1077626445).

340013303304403 is a wasteful number, since it uses less digits than its factorization.

340013303304403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077626444.

The product of its (nonzero) digits is 46656, while the sum is 31.

Adding to 340013303304403 its reverse (304403303310043), we get a palindrome (644416606614446).

The spelling of 340013303304403 in words is "three hundred forty trillion, thirteen billion, three hundred three million, three hundred four thousand, four hundred three".