11112403231 has 2 divisors, whose sum is σ = 11112403232. Its totient is φ = 11112403230.

The previous prime is 11112403201. The next prime is 11112403271. The reversal of 11112403231 is 13230421111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11112403231 - 2¹⁵ = 11112370463 is a prime.

It is a super-2 number, since 2×11112403231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11112403199 and 11112403208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11112403201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556201615 + 5556201616.

It is an arithmetic number, because the mean of its divisors is an integer number (5556201616).

Almost surely, 2^11112403231 is an apocalyptic number.

11112403231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112403231 is an equidigital number, since it uses as much as digits as its factorization.

11112403231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11112403231 its reverse (13230421111), we get a palindrome (24342824342).

The spelling of 11112403231 in words is "eleven billion, one hundred twelve million, four hundred three thousand, two hundred thirty-one".