Search a number
-
+
131302222087 is a prime number
BaseRepresentation
bin111101001001000111…
…0001110100100000111
3110112220200021222111111
41322102032032210013
54122401332101322
6140152554145451
712325535321131
oct1722216164407
9415820258444
10131302222087
1150759754933
1221544a22287
13c4c690a04a
1464d8408051
153637342177
hex1e9238e907

131302222087 has 2 divisors, whose sum is σ = 131302222088. Its totient is φ = 131302222086.

The previous prime is 131302222027. The next prime is 131302222151. The reversal of 131302222087 is 780222203131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131302222087 - 219 = 131301697799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131302222027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65651111043 + 65651111044.

It is an arithmetic number, because the mean of its divisors is an integer number (65651111044).

Almost surely, 2131302222087 is an apocalyptic number.

131302222087 is a deficient number, since it is larger than the sum of its proper divisors (1).

131302222087 is an equidigital number, since it uses as much as digits as its factorization.

131302222087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 131302222087 in words is "one hundred thirty-one billion, three hundred two million, two hundred twenty-two thousand, eighty-seven".