340323440311 has 32 divisors (see below), whose sum is σ = 356093521920. Its totient is φ = 325040491776.

The previous prime is 340323440309. The next prime is 340323440333. The reversal of 340323440311 is 113044323043.

It is a cyclic number.

It is not a de Polignac number, because 340323440311 - 2¹ = 340323440309 is a prime.

It is a super-2 number, since 2×340323440311² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340323440311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340323440411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116268930 + ... + 116271856.

It is an arithmetic number, because the mean of its divisors is an integer number (11127922560).

Almost surely, 2^340323440311 is an apocalyptic number.

340323440311 is a deficient number, since it is larger than the sum of its proper divisors (15770081609).

340323440311 is a wasteful number, since it uses less digits than its factorization.

340323440311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3423.

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

Adding to 340323440311 its reverse (113044323043), we get a palindrome (453367763354).

The spelling of 340323440311 in words is "three hundred forty billion, three hundred twenty-three million, four hundred forty thousand, three hundred eleven".