1331101103 has 4 divisors (see below), whose sum is σ = 1388975088. Its totient is φ = 1273227120.

The previous prime is 1331101091. The next prime is 1331101117. The reversal of 1331101103 is 3011011331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3011011331 = 14173 ⋅212447.

It is a cyclic number.

It is not a de Polignac number, because 1331101103 - 2¹² = 1331097007 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 (1331101403) 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, 28936958 + ... + 28937003.

It is an arithmetic number, because the mean of its divisors is an integer number (347243772).

Almost surely, 2^1331101103 is an apocalyptic number.

1331101103 is a deficient number, since it is larger than the sum of its proper divisors (57873985).

1331101103 is an equidigital number, since it uses as much as digits as its factorization.

1331101103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57873984.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1331101103 is about 36484.2582903915. The cubic root of 1331101103 is about 1100.0278513609.

Adding to 1331101103 its reverse (3011011331), we get a palindrome (4342112434).

The spelling of 1331101103 in words is "one billion, three hundred thirty-one million, one hundred one thousand, one hundred three".