Search a number
-
+
130331001217 is a prime number
BaseRepresentation
bin111100101100001010…
…1010100000110000001
3110110101222202211221011
41321120111110012001
54113404214014332
6135512341400521
712262503142324
oct1713025240601
9413358684834
10130331001217
11503004a825a
1221313709141
13c3a0638241
14644542c7bb
1535cbe47e47
hex1e58554181

130331001217 has 2 divisors, whose sum is σ = 130331001218. Its totient is φ = 130331001216.

The previous prime is 130331001181. The next prime is 130331001223. The reversal of 130331001217 is 712100133031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114129784561 + 16201216656 = 337831^2 + 127284^2 .

It is a cyclic number.

It is not a de Polignac number, because 130331001217 - 219 = 130330476929 is a prime.

It is not a weakly prime, because it can be changed into another prime (130331701217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65165500608 + 65165500609.

It is an arithmetic number, because the mean of its divisors is an integer number (65165500609).

Almost surely, 2130331001217 is an apocalyptic number.

It is an amenable number.

130331001217 is a deficient number, since it is larger than the sum of its proper divisors (1).

130331001217 is an equidigital number, since it uses as much as digits as its factorization.

130331001217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 22.

Adding to 130331001217 its reverse (712100133031), we get a palindrome (842431134248).

The spelling of 130331001217 in words is "one hundred thirty billion, three hundred thirty-one million, one thousand, two hundred seventeen".