131002103 has 2 divisors, whose sum is σ = 131002104. Its totient is φ = 131002102.

The previous prime is 131002097. The next prime is 131002111. The reversal of 131002103 is 301200131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131002103 - 2⁴ = 131002087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131092103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65501051 + 65501052.

It is an arithmetic number, because the mean of its divisors is an integer number (65501052).

Almost surely, 2^131002103 is an apocalyptic number.

131002103 is a deficient number, since it is larger than the sum of its proper divisors (1).

131002103 is an equidigital number, since it uses as much as digits as its factorization.

131002103 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 11.

The square root of 131002103 is about 11445.6150118725. The cubic root of 131002103 is about 507.8780255132.

Adding to 131002103 its reverse (301200131), we get a palindrome (432202234).

The spelling of 131002103 in words is "one hundred thirty-one million, two thousand, one hundred three".