1103132331 has 32 divisors (see below), whose sum is σ = 1869304320. Its totient is φ = 629832672.

The previous prime is 1103132321. The next prime is 1103132351. The reversal of 1103132331 is 1332313011.

It is a happy number.

It is not a de Polignac number, because 1103132331 - 2⁵ = 1103132299 is a prime.

It is a super-2 number, since 2×1103132331² = 2433801879394987122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1103132321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 386596 + ... + 389438.

It is an arithmetic number, because the mean of its divisors is an integer number (58415760).

Almost surely, 2^1103132331 is an apocalyptic number.

1103132331 is a deficient number, since it is larger than the sum of its proper divisors (766171989).

1103132331 is a wasteful number, since it uses less digits than its factorization.

1103132331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4912 (or 4906 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1103132331 is about 33213.4360011126. The cubic root of 1103132331 is about 1033.2590180918.

Adding to 1103132331 its reverse (1332313011), we get a palindrome (2435445342).

The spelling of 1103132331 in words is "one billion, one hundred three million, one hundred thirty-two thousand, three hundred thirty-one".