11320311013 has 16 divisors (see below), whose sum is σ = 12754944000. Its totient is φ = 9953636400.

The previous prime is 11320310977. The next prime is 11320311029. The reversal of 11320311013 is 31011302311.

It is a cyclic number.

It is not a de Polignac number, because 11320311013 - 2¹³ = 11320302821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320311313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673356 + ... + 689962.

It is an arithmetic number, because the mean of its divisors is an integer number (797184000).

Almost surely, 2^11320311013 is an apocalyptic number.

It is an amenable number.

11320311013 is a deficient number, since it is larger than the sum of its proper divisors (1434632987).

11320311013 is a wasteful number, since it uses less digits than its factorization.

11320311013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18648.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11320311013 its reverse (31011302311), we get a palindrome (42331613324).

The spelling of 11320311013 in words is "eleven billion, three hundred twenty million, three hundred eleven thousand, thirteen".