1311044140434 has 48 divisors (see below), whose sum is σ = 3101882407200. Its totient is φ = 368235153216.

The previous prime is 1311044140421. The next prime is 1311044140457. The reversal of 1311044140434 is 4340414401131.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37773619 + ... + 37808310.

It is an arithmetic number, because the mean of its divisors is an integer number (64622550150).

Almost surely, 2^{1311044140434} is an apocalyptic number.

1311044140434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1311044140434 is an abundant number, since it is smaller than the sum of its proper divisors (1790838266766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311044140434 is a wasteful number, since it uses less digits than its factorization.

1311044140434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75582007 (or 75582000 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 1311044140434 its reverse (4340414401131), we get a palindrome (5651458541565).

The spelling of 1311044140434 in words is "one trillion, three hundred eleven billion, forty-four million, one hundred forty thousand, four hundred thirty-four".