11113011431 has 4 divisors (see below), whose sum is σ = 11129524752. Its totient is φ = 11096498112.

The previous prime is 11113011391. The next prime is 11113011451. The reversal of 11113011431 is 13411031111.

11113011431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11113011431 - 2¹⁸ = 11112749287 is a prime.

It is a super-2 number, since 2×11113011431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11113011451) 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 3 ways as a sum of consecutive naturals, for example, 8255651 + ... + 8256996.

It is an arithmetic number, because the mean of its divisors is an integer number (2782381188).

Almost surely, 2^11113011431 is an apocalyptic number.

11113011431 is a deficient number, since it is larger than the sum of its proper divisors (16513321).

11113011431 is an equidigital number, since it uses as much as digits as its factorization.

11113011431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16513320.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 11113011431 its reverse (13411031111), we get a palindrome (24524042542).

The spelling of 11113011431 in words is "eleven billion, one hundred thirteen million, eleven thousand, four hundred thirty-one".