31010001317 has 2 divisors, whose sum is σ = 31010001318. Its totient is φ = 31010001316.

The previous prime is 31010001311. The next prime is 31010001331. The reversal of 31010001317 is 71310001013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30999236356 + 10764961 = 176066^2 + 3281^2 .

It is a cyclic number.

It is not a de Polignac number, because 31010001317 - 2⁴ = 31010001301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31010001295 and 31010001304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31010001311) 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, 15505000658 + 15505000659.

It is an arithmetic number, because the mean of its divisors is an integer number (15505000659).

Almost surely, 2^31010001317 is an apocalyptic number.

It is an amenable number.

31010001317 is a deficient number, since it is larger than the sum of its proper divisors (1).

31010001317 is an equidigital number, since it uses as much as digits as its factorization.

31010001317 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 31010001317 in words is "thirty-one billion, ten million, one thousand, three hundred seventeen".