11313133213 has 2 divisors, whose sum is σ = 11313133214. Its totient is φ = 11313133212.

The previous prime is 11313133201. The next prime is 11313133231. The reversal of 11313133213 is 31233131311.

Together with next prime (11313133231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9631067044 + 1682066169 = 98138^2 + 41013^2 .

It is an emirp because it is prime and its reverse (31233131311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11313133213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11313133253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656566606 + 5656566607.

It is an arithmetic number, because the mean of its divisors is an integer number (5656566607).

Almost surely, 2^11313133213 is an apocalyptic number.

It is an amenable number.

11313133213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11313133213 is an equidigital number, since it uses as much as digits as its factorization.

11313133213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 486, while the sum is 22.

Adding to 11313133213 its reverse (31233131311), we get a palindrome (42546264524).

The spelling of 11313133213 in words is "eleven billion, three hundred thirteen million, one hundred thirty-three thousand, two hundred thirteen".