1340104311 has 128 divisors (see below), whose sum is σ = 2560481280. Its totient is φ = 673920000.

The previous prime is 1340104267. The next prime is 1340104327. The reversal of 1340104311 is 1134010431.

1340104311 is a `hidden beast` number, since 1 + 340 + 10 + 4 + 311 = 666.

It is not a de Polignac number, because 1340104311 - 2¹¹ = 1340102263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340104351) 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 127 ways as a sum of consecutive naturals, for example, 5338936 + ... + 5339186.

It is an arithmetic number, because the mean of its divisors is an integer number (20003760).

Almost surely, 2^1340104311 is an apocalyptic number.

1340104311 is a deficient number, since it is larger than the sum of its proper divisors (1220376969).

1340104311 is a wasteful number, since it uses less digits than its factorization.

1340104311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1340104311 is about 36607.4351874042. The cubic root of 1340104311 is about 1102.5023777079.

Adding to 1340104311 its reverse (1134010431), we get a palindrome (2474114742).

The spelling of 1340104311 in words is "one billion, three hundred forty million, one hundred four thousand, three hundred eleven".