11231124131 has 2 divisors, whose sum is σ = 11231124132. Its totient is φ = 11231124130.

The previous prime is 11231124097. The next prime is 11231124161. The reversal of 11231124131 is 13142113211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11231124131 is a prime.

It is a super-2 number, since 2×11231124131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11231124161) 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, 5615562065 + 5615562066.

It is an arithmetic number, because the mean of its divisors is an integer number (5615562066).

Almost surely, 2^11231124131 is an apocalyptic number.

11231124131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11231124131 is an equidigital number, since it uses as much as digits as its factorization.

11231124131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 20.

Adding to 11231124131 its reverse (13142113211), we get a palindrome (24373237342).

The spelling of 11231124131 in words is "eleven billion, two hundred thirty-one million, one hundred twenty-four thousand, one hundred thirty-one".