1311031344304 has 40 divisors (see below), whose sum is σ = 2772190903248. Its totient is φ = 595676590080.

The previous prime is 1311031344289. The next prime is 1311031344307. The reversal of 1311031344304 is 4034431301131.

It is not an unprimeable number, because it can be changed into a prime (1311031344307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1115577 + ... + 1966360.

Almost surely, 2^{1311031344304} is an apocalyptic number.

It is an amenable number.

1311031344304 is an abundant number, since it is smaller than the sum of its proper divisors (1461159558944).

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

1311031344304 is a wasteful number, since it uses less digits than its factorization.

1311031344304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3084373 (or 3084367 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 1311031344304 its reverse (4034431301131), we get a palindrome (5345462645435).

The spelling of 1311031344304 in words is "one trillion, three hundred eleven billion, thirty-one million, three hundred forty-four thousand, three hundred four".