1103030231 has 4 divisors (see below), whose sum is σ = 1106577264. Its totient is φ = 1099483200.

The previous prime is 1103030221. The next prime is 1103030239. The reversal of 1103030231 is 1320303011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103030231 is a prime.

It is a super-2 number, since 2×1103030231² = 2433351380999826722, which 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 (1103030239) 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, 1773050 + ... + 1773671.

It is an arithmetic number, because the mean of its divisors is an integer number (276644316).

Almost surely, 2^1103030231 is an apocalyptic number.

1103030231 is a deficient number, since it is larger than the sum of its proper divisors (3547033).

1103030231 is an equidigital number, since it uses as much as digits as its factorization.

1103030231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3547032.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1103030231 is about 33211.8989369774. The cubic root of 1103030231 is about 1033.2271394743.

Adding to 1103030231 its reverse (1320303011), we get a palindrome (2423333242).

The spelling of 1103030231 in words is "one billion, one hundred three million, thirty thousand, two hundred thirty-one".