1331131103 has 8 divisors (see below), whose sum is σ = 1375754880. Its totient is φ = 1286612640.

The previous prime is 1331131063. The next prime is 1331131111. The reversal of 1331131103 is 3011311331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1331131103 - 2²⁶ = 1264022239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331131183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200 + ... + 51597.

It is an arithmetic number, because the mean of its divisors is an integer number (171969360).

Almost surely, 2^1331131103 is an apocalyptic number.

1331131103 is a deficient number, since it is larger than the sum of its proper divisors (44623777).

1331131103 is an equidigital number, since it uses as much as digits as its factorization.

1331131103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52657.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 1331131103 is about 36484.6694242938. The cubic root of 1331131103 is about 1100.0361153432.

Adding to 1331131103 its reverse (3011311331), we get a palindrome (4342442434).

The spelling of 1331131103 in words is "one billion, three hundred thirty-one million, one hundred thirty-one thousand, one hundred three".