340534311 has 16 divisors (see below), whose sum is σ = 494018784. Its totient is φ = 207396864.

The previous prime is 340534291. The next prime is 340534333. The reversal of 340534311 is 113435043.

It is a happy number.

It is not a de Polignac number, because 340534311 - 2⁵ = 340534279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340534351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41226 + ... + 48791.

It is an arithmetic number, because the mean of its divisors is an integer number (30876174).

Almost surely, 2^340534311 is an apocalyptic number.

340534311 is a deficient number, since it is larger than the sum of its proper divisors (153484473).

340534311 is a wasteful number, since it uses less digits than its factorization.

340534311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90130.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 340534311 is about 18453.5717680887. The cubic root of 340534311 is about 698.3186251759.

Adding to 340534311 its reverse (113435043), we get a palindrome (453969354).

The spelling of 340534311 in words is "three hundred forty million, five hundred thirty-four thousand, three hundred eleven".