1103231065 has 16 divisors (see below), whose sum is σ = 1403548560. Its totient is φ = 829603840.

The previous prime is 1103231033. The next prime is 1103231071. The reversal of 1103231065 is 5601323011.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 121286169 + 981944896 = 11013^2 + 31336^2 .

It is not a de Polignac number, because 1103231065 - 2⁵ = 1103231033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61881 + ... + 77689.

It is an arithmetic number, because the mean of its divisors is an integer number (87721785).

Almost surely, 2^1103231065 is an apocalyptic number.

It is an amenable number.

1103231065 is a deficient number, since it is larger than the sum of its proper divisors (300317495).

1103231065 is a wasteful number, since it uses less digits than its factorization.

1103231065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16652.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1103231065 is about 33214.9223241603. The cubic root of 1103231065 is about 1033.2898438744.

Adding to 1103231065 its reverse (5601323011), we get a palindrome (6704554076).

The spelling of 1103231065 in words is "one billion, one hundred three million, two hundred thirty-one thousand, sixty-five".