1111231333313 has 2 divisors, whose sum is σ = 1111231333314. Its totient is φ = 1111231333312.

The previous prime is 1111231333253. The next prime is 1111231333339. The reversal of 1111231333313 is 3133331321111.

It is an a-pointer prime, because the next prime (1111231333339) can be obtained adding 1111231333313 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1036093944769 + 75137388544 = 1017887^2 + 274112^2 .

It is an emirp because it is prime and its reverse (3133331321111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1111231333313 - 2¹⁴ = 1111231316929 is a prime.

It is a super-2 number, since 2×1111231333313² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1111231332313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555615666656 + 555615666657.

It is an arithmetic number, because the mean of its divisors is an integer number (555615666657).

Almost surely, 2^{1111231333313} is an apocalyptic number.

It is an amenable number.

1111231333313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111231333313 is an equidigital number, since it uses as much as digits as its factorization.

1111231333313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458, while the sum is 26.

Adding to 1111231333313 its reverse (3133331321111), we get a palindrome (4244562654424).

The spelling of 1111231333313 in words is "one trillion, one hundred eleven billion, two hundred thirty-one million, three hundred thirty-three thousand, three hundred thirteen".