Search a number
-
+
20310314260091 is a prime number
BaseRepresentation
bin1001001111000110111010…
…00100010001011001111011
32122220122110201111020022212
410213203131010101121323
510130231010422310331
6111110232441405335
74164241343510342
oct447433504213173
978818421436285
1020310314260091
116520612a02629
12234033719984b
13b4433cc5150b
1450304b168b59
152534b7ccbd2b
hex1278dd11167b

20310314260091 has 2 divisors, whose sum is σ = 20310314260092. Its totient is φ = 20310314260090.

The previous prime is 20310314260057. The next prime is 20310314260123. The reversal of 20310314260091 is 19006241301302.

It is an a-pointer prime, because the next prime (20310314260123) can be obtained adding 20310314260091 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20310314260091 is a prime.

It is not a weakly prime, because it can be changed into another prime (20310314260001) 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, 10155157130045 + 10155157130046.

It is an arithmetic number, because the mean of its divisors is an integer number (10155157130046).

Almost surely, 220310314260091 is an apocalyptic number.

20310314260091 is a deficient number, since it is larger than the sum of its proper divisors (1).

20310314260091 is an equidigital number, since it uses as much as digits as its factorization.

20310314260091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

Adding to 20310314260091 its reverse (19006241301302), we get a palindrome (39316555561393).

The spelling of 20310314260091 in words is "twenty trillion, three hundred ten billion, three hundred fourteen million, two hundred sixty thousand, ninety-one".