1311040044303 has 8 divisors (see below), whose sum is σ = 1906967337216. Its totient is φ = 794569723800.

The previous prime is 1311040044287. The next prime is 1311040044341. The reversal of 1311040044303 is 3034400401131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1311040044303 - 2⁴ = 1311040044287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311042044303) 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, 19864243063 + ... + 19864243128.

It is an arithmetic number, because the mean of its divisors is an integer number (238370917152).

Almost surely, 2^{1311040044303} is an apocalyptic number.

1311040044303 is a deficient number, since it is larger than the sum of its proper divisors (595927292913).

1311040044303 is a wasteful number, since it uses less digits than its factorization.

1311040044303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39728486205.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1311040044303 its reverse (3034400401131), we get a palindrome (4345440445434).

The spelling of 1311040044303 in words is "one trillion, three hundred eleven billion, forty million, forty-four thousand, three hundred three".