340521322311 has 12 divisors (see below), whose sum is σ = 491901789600. Its totient is φ = 226996834560.

The previous prime is 340521322291. The next prime is 340521322411. The reversal of 340521322311 is 113223125043.

340521322311 is a `hidden beast` number, since 3 + 4 + 0 + 5 + 21 + 322 + 311 = 666.

It is not a de Polignac number, because 340521322311 - 2⁵ = 340521322279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340521322411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1323711 + ... + 1559888.

It is an arithmetic number, because the mean of its divisors is an integer number (40991815800).

Almost surely, 2^340521322311 is an apocalyptic number.

340521322311 is a deficient number, since it is larger than the sum of its proper divisors (151380467289).

340521322311 is a wasteful number, since it uses less digits than its factorization.

340521322311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896726 (or 2896723 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 340521322311 its reverse (113223125043), we get a palindrome (453744447354).

The spelling of 340521322311 in words is "three hundred forty billion, five hundred twenty-one million, three hundred twenty-two thousand, three hundred eleven".