1103131001 has 16 divisors (see below), whose sum is σ = 1305166848. Its totient is φ = 912384000.

The previous prime is 1103130967. The next prime is 1103131021. The reversal of 1103131001 is 1001313011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1103131001 - 2¹⁸ = 1102868857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103131021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69401 + ... + 83801.

It is an arithmetic number, because the mean of its divisors is an integer number (81572928).

Almost surely, 2^1103131001 is an apocalyptic number.

It is an amenable number.

1103131001 is a deficient number, since it is larger than the sum of its proper divisors (202035847).

1103131001 is a wasteful number, since it uses less digits than its factorization.

1103131001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14792.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 1103131001 is about 33213.4159790889. The cubic root of 1103131001 is about 1033.2586028394.

Adding to 1103131001 its reverse (1001313011), we get a palindrome (2104444012).

The spelling of 1103131001 in words is "one billion, one hundred three million, one hundred thirty-one thousand, one".