1311043044 has 24 divisors (see below), whose sum is σ = 3074478400. Its totient is φ = 434817504.

The previous prime is 1311043037. The next prime is 1311043061. The reversal of 1311043044 is 4403401131.

1311043044 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1311043044.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272119 + ... + 276894.

Almost surely, 2^1311043044 is an apocalyptic number.

It is an amenable number.

1311043044 is an abundant number, since it is smaller than the sum of its proper divisors (1763435356).

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

1311043044 is a wasteful number, since it uses less digits than its factorization.

1311043044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549219 (or 549217 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1311043044 is about 36208.3283789793. The cubic root of 1311043044 is about 1094.4745069301.

Adding to 1311043044 its reverse (4403401131), we get a palindrome (5714444175).

The spelling of 1311043044 in words is "one billion, three hundred eleven million, forty-three thousand, forty-four".