131426903 has 2 divisors, whose sum is σ = 131426904. Its totient is φ = 131426902.

The previous prime is 131426891. The next prime is 131426947. The reversal of 131426903 is 309624131.

It is a weak prime.

It is an emirp because it is prime and its reverse (309624131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131426903 - 2¹² = 131422807 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131126903) 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, 65713451 + 65713452.

It is an arithmetic number, because the mean of its divisors is an integer number (65713452).

Almost surely, 2^131426903 is an apocalyptic number.

131426903 is a deficient number, since it is larger than the sum of its proper divisors (1).

131426903 is an equidigital number, since it uses as much as digits as its factorization.

131426903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 131426903 is about 11464.1573174830. The cubic root of 131426903 is about 508.4263978912.

The spelling of 131426903 in words is "one hundred thirty-one million, four hundred twenty-six thousand, nine hundred three".