1100234431 has 4 divisors (see below), whose sum is σ = 1111577152. Its totient is φ = 1088891712.

The previous prime is 1100234411. The next prime is 1100234437. The reversal of 1100234431 is 1344320011.

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 1100234431 - 2¹¹ = 1100232383 is a prime.

It is a super-2 number, since 2×1100234431² = 2421031606315787522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100234399 and 1100234408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100234437) 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, 5671215 + ... + 5671408.

It is an arithmetic number, because the mean of its divisors is an integer number (277894288).

Almost surely, 2^1100234431 is an apocalyptic number.

1100234431 is a deficient number, since it is larger than the sum of its proper divisors (11342721).

1100234431 is an equidigital number, since it uses as much as digits as its factorization.

1100234431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11342720.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1100234431 is about 33169.7818955748. The cubic root of 1100234431 is about 1032.3534431140.

Adding to 1100234431 its reverse (1344320011), we get a palindrome (2444554442).

The spelling of 1100234431 in words is "one billion, one hundred million, two hundred thirty-four thousand, four hundred thirty-one".