131310210103 has 2 divisors, whose sum is σ = 131310210104. Its totient is φ = 131310210102.

The previous prime is 131310210043. The next prime is 131310210211. The reversal of 131310210103 is 301012013131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131310210103 - 2²¹ = 131308112951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131310210403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65655105051 + 65655105052.

It is an arithmetic number, because the mean of its divisors is an integer number (65655105052).

Almost surely, 2^131310210103 is an apocalyptic number.

131310210103 is a deficient number, since it is larger than the sum of its proper divisors (1).

131310210103 is an equidigital number, since it uses as much as digits as its factorization.

131310210103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 131310210103 its reverse (301012013131), we get a palindrome (432322223234).

The spelling of 131310210103 in words is "one hundred thirty-one billion, three hundred ten million, two hundred ten thousand, one hundred three".