1100434231 has 4 divisors (see below), whose sum is σ = 1185083032. Its totient is φ = 1015785432.

The previous prime is 1100434217. The next prime is 1100434271. The reversal of 1100434231 is 1324340011.

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 1100434231 - 2¹³ = 1100426039 is a prime.

It is a super-2 number, since 2×1100434231² = 2421910993513122722, 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 = 1100434199 and 1100434208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100434201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42324381 + ... + 42324406.

It is an arithmetic number, because the mean of its divisors is an integer number (296270758).

Almost surely, 2^1100434231 is an apocalyptic number.

1100434231 is a deficient number, since it is larger than the sum of its proper divisors (84648801).

1100434231 is an equidigital number, since it uses as much as digits as its factorization.

1100434231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84648800.

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

The square root of 1100434231 is about 33172.7935362700. The cubic root of 1100434231 is about 1032.4159303221.

Adding to 1100434231 its reverse (1324340011), we get a palindrome (2424774242).

The spelling of 1100434231 in words is "one billion, one hundred million, four hundred thirty-four thousand, two hundred thirty-one".