11313233123131 has 2 divisors, whose sum is σ = 11313233123132. Its totient is φ = 11313233123130.

The previous prime is 11313233123119. The next prime is 11313233123209. The reversal of 11313233123131 is 13132133231311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11313233123131 - 2⁵ = 11313233123099 is a prime.

It is a super-2 number, since 2×11313233123131² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11313233123131.

It is not a weakly prime, because it can be changed into another prime (11313233120131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656616561565 + 5656616561566.

It is an arithmetic number, because the mean of its divisors is an integer number (5656616561566).

Almost surely, 2^{11313233123131} is an apocalyptic number.

11313233123131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11313233123131 is an equidigital number, since it uses as much as digits as its factorization.

11313233123131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 28.

Adding to 11313233123131 its reverse (13132133231311), we get a palindrome (24445366354442).

The spelling of 11313233123131 in words is "eleven trillion, three hundred thirteen billion, two hundred thirty-three million, one hundred twenty-three thousand, one hundred thirty-one".