11112340031 has 8 divisors (see below), whose sum is σ = 12379795680. Its totient is φ = 9903835872.

The previous prime is 11112339961. The next prime is 11112340033. The reversal of 11112340031 is 13004321111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11112340031 is a prime.

It is a super-2 number, since 2×11112340031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11112339991 and 11112340009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112340033) 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 in 7 ways as a sum of consecutive naturals, for example, 14737475 + ... + 14738228.

It is an arithmetic number, because the mean of its divisors is an integer number (1547474460).

Almost surely, 2^11112340031 is an apocalyptic number.

11112340031 is a deficient number, since it is larger than the sum of its proper divisors (1267455649).

11112340031 is a wasteful number, since it uses less digits than its factorization.

11112340031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29475745.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11112340031 its reverse (13004321111), we get a palindrome (24116661142).

The spelling of 11112340031 in words is "eleven billion, one hundred twelve million, three hundred forty thousand, thirty-one".