11112340131 has 16 divisors (see below), whose sum is σ = 16464822400. Its totient is φ = 7407283464.

The previous prime is 11112340121. The next prime is 11112340157. The reversal of 11112340131 is 13104321111.

It is a happy number.

11112340131 is a `hidden beast` number, since 111 + 123 + 401 + 31 = 666.

11112340131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11112340131 - 2¹³ = 11112331939 is a prime.

It is a super-2 number, since 2×11112340131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11112340121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238320 + ... + 281106.

It is an arithmetic number, because the mean of its divisors is an integer number (1029051400).

Almost surely, 2^11112340131 is an apocalyptic number.

11112340131 is a deficient number, since it is larger than the sum of its proper divisors (5352482269).

11112340131 is an equidigital number, since it uses as much as digits as its factorization.

11112340131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52415 (or 52409 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11112340131 its reverse (13104321111), we get a palindrome (24216661242).

The spelling of 11112340131 in words is "eleven billion, one hundred twelve million, three hundred forty thousand, one hundred thirty-one".