1311000004424 has 64 divisors (see below), whose sum is σ = 2821238985600. Its totient is φ = 565661836800.

The previous prime is 1311000004357. The next prime is 1311000004429. The reversal of 1311000004424 is 4244000001131.

It is a junction number, because it is equal to n+sod(n) for n = 1311000004396 and 1311000004405.

It is not an unprimeable number, because it can be changed into a prime (1311000004429) 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, 4776764 + ... + 5043755.

It is an arithmetic number, because the mean of its divisors is an integer number (44081859150).

Almost surely, 2^{1311000004424} is an apocalyptic number.

It is an amenable number.

1311000004424 is an abundant number, since it is smaller than the sum of its proper divisors (1510238981176).

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

1311000004424 is a wasteful number, since it uses less digits than its factorization.

1311000004424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9820614 (or 9820610 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1311000004424 its reverse (4244000001131), we get a palindrome (5555000005555).

The spelling of 1311000004424 in words is "one trillion, three hundred eleven billion, four thousand, four hundred twenty-four".