11123131301 has 2 divisors, whose sum is σ = 11123131302. Its totient is φ = 11123131300.

The previous prime is 11123131289. The next prime is 11123131303. The reversal of 11123131301 is 10313132111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7956818401 + 3166312900 = 89201^2 + 56270^2 .

It is a cyclic number.

It is not a de Polignac number, because 11123131301 - 2⁶ = 11123131237 is a prime.

Together with 11123131303, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11123131301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11123131303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561565650 + 5561565651.

It is an arithmetic number, because the mean of its divisors is an integer number (5561565651).

Almost surely, 2^11123131301 is an apocalyptic number.

It is an amenable number.

11123131301 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123131301 is an equidigital number, since it uses as much as digits as its factorization.

11123131301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11123131301 its reverse (10313132111), we get a palindrome (21436263412).

The spelling of 11123131301 in words is "eleven billion, one hundred twenty-three million, one hundred thirty-one thousand, three hundred one".