1311433430404 has 24 divisors (see below), whose sum is σ = 2309701069368. Its totient is φ = 651532062720.

The previous prime is 1311433430369. The next prime is 1311433430443. The reversal of 1311433430404 is 4040343341131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12836436804 + 1298596993600 = 113298^2 + 1139560^2 .

It is a super-2 number, since 2×1311433430404² (a number of 25 digits) contains 22 as substring.

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, 1255857 + ... + 2049400.

It is an arithmetic number, because the mean of its divisors is an integer number (96237544557).

Almost surely, 2^{1311433430404} is an apocalyptic number.

It is an amenable number.

1311433430404 is a deficient number, since it is larger than the sum of its proper divisors (998267638964).

1311433430404 is a wasteful number, since it uses less digits than its factorization.

1311433430404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305895 (or 3305893 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 1311433430404 its reverse (4040343341131), we get a palindrome (5351776771535).

The spelling of 1311433430404 in words is "one trillion, three hundred eleven billion, four hundred thirty-three million, four hundred thirty thousand, four hundred four".