11331123313 has 2 divisors, whose sum is σ = 11331123314. Its totient is φ = 11331123312.

The previous prime is 11331123311. The next prime is 11331123319. The reversal of 11331123313 is 31332113311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7179511824 + 4151611489 = 84732^2 + 64433^2 .

It is a cyclic number.

It is not a de Polignac number, because 11331123313 - 2¹ = 11331123311 is a prime.

Together with 11331123311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11331123311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665561656 + 5665561657.

It is an arithmetic number, because the mean of its divisors is an integer number (5665561657).

Almost surely, 2^11331123313 is an apocalyptic number.

It is an amenable number.

11331123313 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331123313 is an equidigital number, since it uses as much as digits as its factorization.

11331123313 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 11331123313 its reverse (31332113311), we get a palindrome (42663236624).

The spelling of 11331123313 in words is "eleven billion, three hundred thirty-one million, one hundred twenty-three thousand, three hundred thirteen".