340432320310303 has 4 divisors (see below), whose sum is σ = 366619421872648. Its totient is φ = 314245218747960.

The previous prime is 340432320310193. The next prime is 340432320310321. The reversal of 340432320310303 is 303013023234043.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340432320310303 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 (340432320310343) 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, 13093550781153 + ... + 13093550781178.

It is an arithmetic number, because the mean of its divisors is an integer number (91654855468162).

Almost surely, 2^{340432320310303} is an apocalyptic number.

340432320310303 is a deficient number, since it is larger than the sum of its proper divisors (26187101562345).

340432320310303 is a wasteful number, since it uses less digits than its factorization.

340432320310303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26187101562344.

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

Adding to 340432320310303 its reverse (303013023234043), we get a palindrome (643445343544346).

The spelling of 340432320310303 in words is "three hundred forty trillion, four hundred thirty-two billion, three hundred twenty million, three hundred ten thousand, three hundred three".