340341311 has 2 divisors, whose sum is σ = 340341312. Its totient is φ = 340341310.

The previous prime is 340341301. The next prime is 340341317. The reversal of 340341311 is 113143043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340341311 - 2⁶ = 340341247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340341317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170170655 + 170170656.

It is an arithmetic number, because the mean of its divisors is an integer number (170170656).

Almost surely, 2^340341311 is an apocalyptic number.

340341311 is a deficient number, since it is larger than the sum of its proper divisors (1).

340341311 is an equidigital number, since it uses as much as digits as its factorization.

340341311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 340341311 is about 18448.3416869918. The cubic root of 340341311 is about 698.1866747283.

Adding to 340341311 its reverse (113143043), we get a palindrome (453484354).

The spelling of 340341311 in words is "three hundred forty million, three hundred forty-one thousand, three hundred eleven".