Search a number
-
+
131311020123259 is a prime number
BaseRepresentation
bin11101110110110100111010…
…101101011010010001111011
3122012221012200202200000011021
4131312310322231122101323
5114202344432122421014
61143135241101043311
736441623326660324
oct3566647255322173
9565835622600137
10131311020123259
11389267666520a9
1212888b56b56537
135836764801502
14245d6b717544b
15102aa7abd5624
hex776d3ab5a47b

131311020123259 has 2 divisors, whose sum is σ = 131311020123260. Its totient is φ = 131311020123258.

The previous prime is 131311020123193. The next prime is 131311020123281. The reversal of 131311020123259 is 952321020113131.

It is a strong prime.

It is an emirp because it is prime and its reverse (952321020113131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131311020123259 - 245 = 96126648034427 is a prime.

It is not a weakly prime, because it can be changed into another prime (131311020123359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65655510061629 + 65655510061630.

It is an arithmetic number, because the mean of its divisors is an integer number (65655510061630).

Almost surely, 2131311020123259 is an apocalyptic number.

131311020123259 is a deficient number, since it is larger than the sum of its proper divisors (1).

131311020123259 is an equidigital number, since it uses as much as digits as its factorization.

131311020123259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The spelling of 131311020123259 in words is "one hundred thirty-one trillion, three hundred eleven billion, twenty million, one hundred twenty-three thousand, two hundred fifty-nine".