1311411313343 has 16 divisors (see below), whose sum is σ = 1383031480320. Its totient is φ = 1241643518400.

The previous prime is 1311411313339. The next prime is 1311411313357. The reversal of 1311411313343 is 3433131141131.

It is not a de Polignac number, because 1311411313343 - 2² = 1311411313339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311411313313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3783923 + ... + 4115931.

It is an arithmetic number, because the mean of its divisors is an integer number (86439467520).

Almost surely, 2^{1311411313343} is an apocalyptic number.

1311411313343 is a deficient number, since it is larger than the sum of its proper divisors (71620166977).

1311411313343 is a wasteful number, since it uses less digits than its factorization.

1311411313343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334798.

The product of its digits is 3888, while the sum is 29.

Adding to 1311411313343 its reverse (3433131141131), we get a palindrome (4744542454474).

The spelling of 1311411313343 in words is "one trillion, three hundred eleven billion, four hundred eleven million, three hundred thirteen thousand, three hundred forty-three".