11100434231 has 4 divisors (see below), whose sum is σ = 11129417472. Its totient is φ = 11071450992.

The previous prime is 11100434183. The next prime is 11100434237. The reversal of 11100434231 is 13243400111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13243400111 = 103913 ⋅127447.

It is a cyclic number.

It is not a de Polignac number, because 11100434231 - 2¹⁰ = 11100433207 is a prime.

It is a super-2 number, since 2×11100434231² (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 (11100434237) 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 3 ways as a sum of consecutive naturals, for example, 14491046 + ... + 14491811.

It is an arithmetic number, because the mean of its divisors is an integer number (2782354368).

Almost surely, 2^11100434231 is an apocalyptic number.

11100434231 is a deficient number, since it is larger than the sum of its proper divisors (28983241).

11100434231 is an equidigital number, since it uses as much as digits as its factorization.

11100434231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28983240.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11100434231 its reverse (13243400111), we get a palindrome (24343834342).

The spelling of 11100434231 in words is "eleven billion, one hundred million, four hundred thirty-four thousand, two hundred thirty-one".