1103531441 has 4 divisors (see below), whose sum is σ = 1130446884. Its totient is φ = 1076616000.

The previous prime is 1103531423. The next prime is 1103531449. The reversal of 1103531441 is 1441353011.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 148474225 + 955057216 = 12185^2 + 30904^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103531441 - 2¹⁴ = 1103515057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1103531449) 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, 13457660 + ... + 13457741.

It is an arithmetic number, because the mean of its divisors is an integer number (282611721).

Almost surely, 2^1103531441 is an apocalyptic number.

It is an amenable number.

1103531441 is a deficient number, since it is larger than the sum of its proper divisors (26915443).

1103531441 is an equidigital number, since it uses as much as digits as its factorization.

1103531441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26915442.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1103531441 is about 33219.4437190029. The cubic root of 1103531441 is about 1033.3836130813.

Adding to 1103531441 its reverse (1441353011), we get a palindrome (2544884452).

The spelling of 1103531441 in words is "one billion, one hundred three million, five hundred thirty-one thousand, four hundred forty-one".