131010317 has 2 divisors, whose sum is σ = 131010318. Its totient is φ = 131010316.

The previous prime is 131010311. The next prime is 131010337. The reversal of 131010317 is 713010131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127554436 + 3455881 = 11294^2 + 1859^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131010317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131010295 and 131010304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131010311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65505158 + 65505159.

It is an arithmetic number, because the mean of its divisors is an integer number (65505159).

Almost surely, 2^131010317 is an apocalyptic number.

It is an amenable number.

131010317 is a deficient number, since it is larger than the sum of its proper divisors (1).

131010317 is an equidigital number, since it uses as much as digits as its factorization.

131010317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63, while the sum is 17.

The square root of 131010317 is about 11445.9738336238. The cubic root of 131010317 is about 507.8886401593. Note that the first 3 decimals are identical.

Adding to 131010317 its reverse (713010131), we get a palindrome (844020448).

The spelling of 131010317 in words is "one hundred thirty-one million, ten thousand, three hundred seventeen".