Search a number
-
+
130031131103231 is a prime number
BaseRepresentation
bin11101100100001100111011…
…011000010000111111111111
3122001101212002002200012002012
4131210030323120100333333
5114020412224030300411
61140315251005321435
736250303434545411
oct3544147330207777
9561355062605065
10130031131103231
113848299066a916
1212700aa286627b
135772b6309b127
14241777c9209b1
15100761c64e18b
hex76433b610fff

130031131103231 has 2 divisors, whose sum is σ = 130031131103232. Its totient is φ = 130031131103230.

The previous prime is 130031131103219. The next prime is 130031131103407. The reversal of 130031131103231 is 132301131130031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130031131103231 - 222 = 130031126908927 is a prime.

It is a super-2 number, since 2×1300311311032312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130031131103197 and 130031131103206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130031131108231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65015565551615 + 65015565551616.

It is an arithmetic number, because the mean of its divisors is an integer number (65015565551616).

Almost surely, 2130031131103231 is an apocalyptic number.

130031131103231 is a deficient number, since it is larger than the sum of its proper divisors (1).

130031131103231 is an equidigital number, since it uses as much as digits as its factorization.

130031131103231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 130031131103231 its reverse (132301131130031), we get a palindrome (262332262233262).

The spelling of 130031131103231 in words is "one hundred thirty trillion, thirty-one billion, one hundred thirty-one million, one hundred three thousand, two hundred thirty-one".