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131020102223 is a prime number
BaseRepresentation
bin111101000000101101…
…0000001101001001111
3110112012000102210210122
41322001122001221033
54121312121232343
6140104555255155
712315541331213
oct1720132015117
9415160383718
10131020102223
115062448301a
122148644a4bb
13c48032c80a
1464acb6a943
15361c6b6068
hex1e81681a4f

131020102223 has 2 divisors, whose sum is σ = 131020102224. Its totient is φ = 131020102222.

The previous prime is 131020102219. The next prime is 131020102231. The reversal of 131020102223 is 322201020131.

It is a weak prime.

It is an emirp because it is prime and its reverse (322201020131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131020102223 - 22 = 131020102219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131020102273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65510051111 + 65510051112.

It is an arithmetic number, because the mean of its divisors is an integer number (65510051112).

Almost surely, 2131020102223 is an apocalyptic number.

131020102223 is a deficient number, since it is larger than the sum of its proper divisors (1).

131020102223 is an equidigital number, since it uses as much as digits as its factorization.

131020102223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 131020102223 its reverse (322201020131), we get a palindrome (453221122354).

The spelling of 131020102223 in words is "one hundred thirty-one billion, twenty million, one hundred two thousand, two hundred twenty-three".