2131101103 has 2 divisors, whose sum is σ = 2131101104. Its totient is φ = 2131101102.

The previous prime is 2131101083. The next prime is 2131101109. The reversal of 2131101103 is 3011011312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2131101103 - 2¹⁷ = 2130970031 is a prime.

It is a super-2 number, since 2×2131101103² = 9083183822415633218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131101109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065550551 + 1065550552.

It is an arithmetic number, because the mean of its divisors is an integer number (1065550552).

Almost surely, 2^2131101103 is an apocalyptic number.

2131101103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131101103 is an equidigital number, since it uses as much as digits as its factorization.

2131101103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 2131101103 is about 46163.8506084577. The cubic root of 2131101103 is about 1286.8700238846.

Adding to 2131101103 its reverse (3011011312), we get a palindrome (5142112415).

The spelling of 2131101103 in words is "two billion, one hundred thirty-one million, one hundred one thousand, one hundred three".