11303133321013 has 4 divisors (see below), whose sum is σ = 11307703939468. Its totient is φ = 11298562702560.

The previous prime is 11303133320953. The next prime is 11303133321037. The reversal of 11303133321013 is 31012333130311.

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 10293817726404 + 1009315594609 = 3208398^2 + 1004647^2 .

It is a cyclic number.

It is not a de Polignac number, because 11303133321013 - 2³³ = 11294543386421 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 (11303133321413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2285305518 + ... + 2285310463.

It is an arithmetic number, because the mean of its divisors is an integer number (2826925984867).

Almost surely, 2^{11303133321013} is an apocalyptic number.

It is an amenable number.

11303133321013 is a deficient number, since it is larger than the sum of its proper divisors (4570618455).

11303133321013 is an equidigital number, since it uses as much as digits as its factorization.

11303133321013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4570618454.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 11303133321013 its reverse (31012333130311), we get a palindrome (42315466451324).

The spelling of 11303133321013 in words is "eleven trillion, three hundred three billion, one hundred thirty-three million, three hundred twenty-one thousand, thirteen".