1340240111331 has 16 divisors (see below), whose sum is σ = 1950090336000. Its totient is φ = 811995828320.

The previous prime is 1340240111321. The next prime is 1340240111333. The reversal of 1340240111331 is 1331110420431.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1340240111331 - 2¹⁷ = 1340239980259 is a prime.

It is a super-2 number, since 2×1340240111331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1340240111333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6672180 + ... + 6870113.

It is an arithmetic number, because the mean of its divisors is an integer number (121880646000).

Almost surely, 2^{1340240111331} is an apocalyptic number.

1340240111331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1340240111331 is a deficient number, since it is larger than the sum of its proper divisors (609850224669).

1340240111331 is a wasteful number, since it uses less digits than its factorization.

1340240111331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13545306.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1340240111331 its reverse (1331110420431), we get a palindrome (2671350531762).

The spelling of 1340240111331 in words is "one trillion, three hundred forty billion, two hundred forty million, one hundred eleven thousand, three hundred thirty-one".