317024272157 has 2 divisors, whose sum is σ = 317024272158. Its totient is φ = 317024272156.

The previous prime is 317024272151. The next prime is 317024272211. The reversal of 317024272157 is 751272420713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314699682361 + 2324589796 = 560981^2 + 48214^2 .

It is a cyclic number.

It is not a de Polignac number, because 317024272157 - 2⁶ = 317024272093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317024272151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158512136078 + 158512136079.

It is an arithmetic number, because the mean of its divisors is an integer number (158512136079).

Almost surely, 2^317024272157 is an apocalyptic number.

It is an amenable number.

317024272157 is a deficient number, since it is larger than the sum of its proper divisors (1).

317024272157 is an equidigital number, since it uses as much as digits as its factorization.

317024272157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 164640, while the sum is 41.

The spelling of 317024272157 in words is "three hundred seventeen billion, twenty-four million, two hundred seventy-two thousand, one hundred fifty-seven".