131102017 has 2 divisors, whose sum is σ = 131102018. Its totient is φ = 131102016.

The previous prime is 131102003. The next prime is 131102021. The reversal of 131102017 is 710201131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73205136 + 57896881 = 8556^2 + 7609^2 .

It is a cyclic number.

It is not a de Polignac number, because 131102017 - 2⁷ = 131101889 is a prime.

It is a super-2 number, since 2×131102017² = 34375477722936578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131102077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65551008 + 65551009.

It is an arithmetic number, because the mean of its divisors is an integer number (65551009).

Almost surely, 2^131102017 is an apocalyptic number.

It is an amenable number.

131102017 is a deficient number, since it is larger than the sum of its proper divisors (1).

131102017 is an equidigital number, since it uses as much as digits as its factorization.

131102017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 131102017 is about 11449.9789082775. The cubic root of 131102017 is about 508.0071105397.

Adding to 131102017 its reverse (710201131), we get a palindrome (841303148).

The spelling of 131102017 in words is "one hundred thirty-one million, one hundred two thousand, seventeen".