11303211013 has 4 divisors (see below), whose sum is σ = 11692976940. Its totient is φ = 10913445088.

The previous prime is 11303210969. The next prime is 11303211037. The reversal of 11303211013 is 31011230311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5746701249 + 5556509764 = 75807^2 + 74542^2 .

It is a cyclic number.

It is not a de Polignac number, because 11303211013 - 2²¹ = 11301113861 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 (11303211043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194882920 + ... + 194882977.

It is an arithmetic number, because the mean of its divisors is an integer number (2923244235).

Almost surely, 2^11303211013 is an apocalyptic number.

It is an amenable number.

11303211013 is a deficient number, since it is larger than the sum of its proper divisors (389765927).

11303211013 is an equidigital number, since it uses as much as digits as its factorization.

11303211013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389765926.

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

Adding to 11303211013 its reverse (31011230311), we get a palindrome (42314441324).

The spelling of 11303211013 in words is "eleven billion, three hundred three million, two hundred eleven thousand, thirteen".