340216042303 has 2 divisors, whose sum is σ = 340216042304. Its totient is φ = 340216042302.

The previous prime is 340216042301. The next prime is 340216042349. The reversal of 340216042303 is 303240612043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340216042303 - 2¹ = 340216042301 is a prime.

Together with 340216042301, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340216042301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170108021151 + 170108021152.

It is an arithmetic number, because the mean of its divisors is an integer number (170108021152).

Almost surely, 2^340216042303 is an apocalyptic number.

340216042303 is a deficient number, since it is larger than the sum of its proper divisors (1).

340216042303 is an equidigital number, since it uses as much as digits as its factorization.

340216042303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 340216042303 its reverse (303240612043), we get a palindrome (643456654346).

The spelling of 340216042303 in words is "three hundred forty billion, two hundred sixteen million, forty-two thousand, three hundred three".