11311033013 has 8 divisors (see below), whose sum is σ = 13607257920. Its totient is φ = 9184898880.

The previous prime is 11311032949. The next prime is 11311033033. The reversal of 11311033013 is 31033011311.

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

It is a cyclic number.

It is not a de Polignac number, because 11311033013 - 2⁶ = 11311032949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11311032982 and 11311033000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311033033) 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, 42522548 + ... + 42522813.

It is an arithmetic number, because the mean of its divisors is an integer number (1700907240).

Almost surely, 2^11311033013 is an apocalyptic number.

It is an amenable number.

11311033013 is a deficient number, since it is larger than the sum of its proper divisors (2296224907).

11311033013 is an equidigital number, since it uses as much as digits as its factorization.

11311033013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85045387.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 11311033013 its reverse (31033011311), we get a palindrome (42344044324).

The spelling of 11311033013 in words is "eleven billion, three hundred eleven million, thirty-three thousand, thirteen".