11331230233131 has 24 divisors (see below), whose sum is σ = 16487308275984. Its totient is φ = 7498929948480.

The previous prime is 11331230233129. The next prime is 11331230233151. The reversal of 11331230233131 is 13133203213311.

11331230233131 is a `hidden beast` number, since 1 + 1 + 3 + 312 + 30 + 2 + 3 + 313 + 1 = 666.

It is not a de Polignac number, because 11331230233131 - 2¹ = 11331230233129 is a prime.

It is a super-2 number, since 2×11331230233131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11331230233095 and 11331230233104.

It is not an unprimeable number, because it can be changed into a prime (11331230233151) 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 in 23 ways as a sum of consecutive naturals, for example, 5336761 + ... + 7151466.

It is an arithmetic number, because the mean of its divisors is an integer number (686971178166).

Almost surely, 2^{11331230233131} is an apocalyptic number.

11331230233131 is a deficient number, since it is larger than the sum of its proper divisors (5156078042853).

11331230233131 is a wasteful number, since it uses less digits than its factorization.

11331230233131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12488971 (or 12488968 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 11331230233131 its reverse (13133203213311), we get a palindrome (24464433446442).

The spelling of 11331230233131 in words is "eleven trillion, three hundred thirty-one billion, two hundred thirty million, two hundred thirty-three thousand, one hundred thirty-one".