Search a number
-
+
31730160174359 is a prime number
BaseRepresentation
bin1110011011011110000001…
…11011010000010100010111
311011100101002102022011222212
413031233000323100110113
513124331332001034414
6151252345004144035
76453266643254243
oct715570073202427
9134311072264885
1031730160174359
11a12375a23aa79
12368562653801b
1314921ab48ba2a
147b9a68519423
153a059331083e
hex1cdbc0ed0517

31730160174359 has 2 divisors, whose sum is σ = 31730160174360. Its totient is φ = 31730160174358.

The previous prime is 31730160174331. The next prime is 31730160174463. The reversal of 31730160174359 is 95347106103713.

It is a weak prime.

It is an emirp because it is prime and its reverse (95347106103713) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31730160174359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31730160174329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15865080087179 + 15865080087180.

It is an arithmetic number, because the mean of its divisors is an integer number (15865080087180).

Almost surely, 231730160174359 is an apocalyptic number.

31730160174359 is a deficient number, since it is larger than the sum of its proper divisors (1).

31730160174359 is an equidigital number, since it uses as much as digits as its factorization.

31730160174359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1428840, while the sum is 50.

The spelling of 31730160174359 in words is "thirty-one trillion, seven hundred thirty billion, one hundred sixty million, one hundred seventy-four thousand, three hundred fifty-nine".