1311054535 has 24 divisors (see below), whose sum is σ = 1937785680. Its totient is φ = 846123264.

The previous prime is 1311054527. The next prime is 1311054553. The reversal of 1311054535 is 5354501131.

It is not a de Polignac number, because 1311054535 - 2³ = 1311054527 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153225 + ... + 161554.

It is an arithmetic number, because the mean of its divisors is an integer number (80741070).

Almost surely, 2^1311054535 is an apocalyptic number.

1311054535 is a deficient number, since it is larger than the sum of its proper divisors (626731145).

1311054535 is a wasteful number, since it uses less digits than its factorization.

1311054535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314815 (or 314808 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 1311054535 is about 36208.4870575947. The cubic root of 1311054535 is about 1094.4777045291.

Adding to 1311054535 its reverse (5354501131), we get a palindrome (6665555666).

The spelling of 1311054535 in words is "one billion, three hundred eleven million, fifty-four thousand, five hundred thirty-five".