131010012103 has 2 divisors, whose sum is σ = 131010012104. Its totient is φ = 131010012102.

The previous prime is 131010012097. The next prime is 131010012139. The reversal of 131010012103 is 301210010131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131010012103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131010012163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65505006051 + 65505006052.

It is an arithmetic number, because the mean of its divisors is an integer number (65505006052).

Almost surely, 2^131010012103 is an apocalyptic number.

131010012103 is a deficient number, since it is larger than the sum of its proper divisors (1).

131010012103 is an equidigital number, since it uses as much as digits as its factorization.

131010012103 is an evil number, because the sum of its binary digits is even.

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

Adding to 131010012103 its reverse (301210010131), we get a palindrome (432220022234).

The spelling of 131010012103 in words is "one hundred thirty-one billion, ten million, twelve thousand, one hundred three".