1311434213434 has 16 divisors (see below), whose sum is σ = 1979743096800. Its totient is φ = 651520110384.

The previous prime is 1311434213429. The next prime is 1311434213471. The reversal of 1311434213434 is 4343124341131.

It is a self number, because there is not a number n which added to its sum of digits gives 1311434213434.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17086957 + ... + 17163535.

It is an arithmetic number, because the mean of its divisors is an integer number (123733943550).

Almost surely, 2^{1311434213434} is an apocalyptic number.

1311434213434 is a deficient number, since it is larger than the sum of its proper divisors (668308883366).

1311434213434 is a wasteful number, since it uses less digits than its factorization.

1311434213434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131277.

The product of its digits is 41472, while the sum is 34.

Adding to 1311434213434 its reverse (4343124341131), we get a palindrome (5654558554565).

The spelling of 1311434213434 in words is "one trillion, three hundred eleven billion, four hundred thirty-four million, two hundred thirteen thousand, four hundred thirty-four".